Home / 12,292,741.60-18,453,109.20-7,246,895.20

Finding the Fourth Proportional to 12,292,741.60, 18,453,109.20 and 7,246,895.20

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Solution

The fourth proportional to 12,292,741.60, 18,453,109.20 and 7,246,895.20 is: 10,878,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,741.60 : 18,453,109.20 = 7,246,895.20 : x
  2. Step 2: Convert to fraction form
    12,292,741.60/18,453,109.20 = 7,246,895.20/x
  3. Step 3: Cross multiply
    12,292,741.60x = 18,453,109.20 × 7,246,895.20
  4. Step 4: Simplify right side
    12,292,741.60x = 133,727,748,486,555.84
  5. Step 5: Solve for x
    x = 133,727,748,486,555.84/12,292,741.60
  6. Step 6: Final answer
    x = 10,878,594.28

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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.