Home / 8,369,931.28-11,551,765.80-5,108,641.17

Finding the Fourth Proportional to 8,369,931.28, 11,551,765.80 and 5,108,641.17

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Solution

The fourth proportional to 8,369,931.28, 11,551,765.80 and 5,108,641.17 is: 7,050,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369,931.28 : 11,551,765.80 = 5,108,641.17 : x
  2. Step 2: Convert to fraction form
    8,369,931.28/11,551,765.80 = 5,108,641.17/x
  3. Step 3: Cross multiply
    8,369,931.28x = 11,551,765.80 × 5,108,641.17
  4. Step 4: Simplify right side
    8,369,931.28x = 59,013,826,352,077.99
  5. Step 5: Solve for x
    x = 59,013,826,352,077.99/8,369,931.28
  6. Step 6: Final answer
    x = 7,050,694.25

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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.