Home / 7,117,931.20-10,676,896.80-5,921,204.80

Finding the Fourth Proportional to 7,117,931.20, 10,676,896.80 and 5,921,204.80

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Solution

The fourth proportional to 7,117,931.20, 10,676,896.80 and 5,921,204.80 is: 8,881,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,931.20 : 10,676,896.80 = 5,921,204.80 : x
  2. Step 2: Convert to fraction form
    7,117,931.20/10,676,896.80 = 5,921,204.80/x
  3. Step 3: Cross multiply
    7,117,931.20x = 10,676,896.80 × 5,921,204.80
  4. Step 4: Simplify right side
    7,117,931.20x = 63,220,092,581,264.64
  5. Step 5: Solve for x
    x = 63,220,092,581,264.64/7,117,931.20
  6. Step 6: Final answer
    x = 8,881,807.20

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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.