Home / 15,559,001.74-21,474,233.10-9,279,931.87

Finding the Fourth Proportional to 15,559,001.74, 21,474,233.10 and 9,279,931.87

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Solution

The fourth proportional to 15,559,001.74, 21,474,233.10 and 9,279,931.87 is: 12,807,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559,001.74 : 21,474,233.10 = 9,279,931.87 : x
  2. Step 2: Convert to fraction form
    15,559,001.74/21,474,233.10 = 9,279,931.87/x
  3. Step 3: Cross multiply
    15,559,001.74x = 21,474,233.10 × 9,279,931.87
  4. Step 4: Simplify right side
    15,559,001.74x = 199,279,420,128,498.91
  5. Step 5: Solve for x
    x = 199,279,420,128,498.91/15,559,001.74
  6. Step 6: Final answer
    x = 12,807,982.38

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1.5x scale

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.