Home / 15,010,354.11-20,724,457.02-9,508,611.27

Finding the Fourth Proportional to 15,010,354.11, 20,724,457.02 and 9,508,611.27

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Solution

The fourth proportional to 15,010,354.11, 20,724,457.02 and 9,508,611.27 is: 13,128,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010,354.11 : 20,724,457.02 = 9,508,611.27 : x
  2. Step 2: Convert to fraction form
    15,010,354.11/20,724,457.02 = 9,508,611.27/x
  3. Step 3: Cross multiply
    15,010,354.11x = 20,724,457.02 × 9,508,611.27
  4. Step 4: Simplify right side
    15,010,354.11x = 197,060,805,585,002.59
  5. Step 5: Solve for x
    x = 197,060,805,585,002.59/15,010,354.11
  6. Step 6: Final answer
    x = 13,128,324.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.