Home / 10,981,384.70-15,155,218.80-6,088,142.30

Finding the Fourth Proportional to 10,981,384.70, 15,155,218.80 and 6,088,142.30

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Solution

The fourth proportional to 10,981,384.70, 15,155,218.80 and 6,088,142.30 is: 8,402,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,384.70 : 15,155,218.80 = 6,088,142.30 : x
  2. Step 2: Convert to fraction form
    10,981,384.70/15,155,218.80 = 6,088,142.30/x
  3. Step 3: Cross multiply
    10,981,384.70x = 15,155,218.80 × 6,088,142.30
  4. Step 4: Simplify right side
    10,981,384.70x = 92,267,128,566,259.16
  5. Step 5: Solve for x
    x = 92,267,128,566,259.16/10,981,384.70
  6. Step 6: Final answer
    x = 8,402,139.72

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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.