Home / 15,754,715.50-21,748,771.12-9,227,443.90

Finding the Fourth Proportional to 15,754,715.50, 21,748,771.12 and 9,227,443.90

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Solution

The fourth proportional to 15,754,715.50, 21,748,771.12 and 9,227,443.90 is: 12,738,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754,715.50 : 21,748,771.12 = 9,227,443.90 : x
  2. Step 2: Convert to fraction form
    15,754,715.50/21,748,771.12 = 9,227,443.90/x
  3. Step 3: Cross multiply
    15,754,715.50x = 21,748,771.12 × 9,227,443.90
  4. Step 4: Simplify right side
    15,754,715.50x = 200,685,565,403,740.19
  5. Step 5: Solve for x
    x = 200,685,565,403,740.19/15,754,715.50
  6. Step 6: Final answer
    x = 12,738,126.91

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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.