Home / 13,346,986.20-20,020,479.30-10,158,340.20

Finding the Fourth Proportional to 13,346,986.20, 20,020,479.30 and 10,158,340.20

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Solution

The fourth proportional to 13,346,986.20, 20,020,479.30 and 10,158,340.20 is: 15,237,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,986.20 : 20,020,479.30 = 10,158,340.20 : x
  2. Step 2: Convert to fraction form
    13,346,986.20/20,020,479.30 = 10,158,340.20/x
  3. Step 3: Cross multiply
    13,346,986.20x = 20,020,479.30 × 10,158,340.20
  4. Step 4: Simplify right side
    13,346,986.20x = 203,374,839,696,457.84
  5. Step 5: Solve for x
    x = 203,374,839,696,457.84/13,346,986.20
  6. Step 6: Final answer
    x = 15,237,510.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.