Home / 20,222,684.10-30,334,026.15-13,420,239.30

Finding the Fourth Proportional to 20,222,684.10, 30,334,026.15 and 13,420,239.30

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Solution

The fourth proportional to 20,222,684.10, 30,334,026.15 and 13,420,239.30 is: 20,130,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,684.10 : 30,334,026.15 = 13,420,239.30 : x
  2. Step 2: Convert to fraction form
    20,222,684.10/30,334,026.15 = 13,420,239.30/x
  3. Step 3: Cross multiply
    20,222,684.10x = 30,334,026.15 × 13,420,239.30
  4. Step 4: Simplify right side
    20,222,684.10x = 407,089,889,865,457.69
  5. Step 5: Solve for x
    x = 407,089,889,865,457.69/20,222,684.10
  6. Step 6: Final answer
    x = 20,130,358.95

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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.