Home / 8,553,380.49-12,866,479.73-7,753,411.73

Finding the Fourth Proportional to 8,553,380.49, 12,866,479.73 and 7,753,411.73

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Solution

The fourth proportional to 8,553,380.49, 12,866,479.73 and 7,753,411.73 is: 11,663,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553,380.49 : 12,866,479.73 = 7,753,411.73 : x
  2. Step 2: Convert to fraction form
    8,553,380.49/12,866,479.73 = 7,753,411.73/x
  3. Step 3: Cross multiply
    8,553,380.49x = 12,866,479.73 × 7,753,411.73
  4. Step 4: Simplify right side
    8,553,380.49x = 99,759,114,884,863.67
  5. Step 5: Solve for x
    x = 99,759,114,884,863.67/8,553,380.49
  6. Step 6: Final answer
    x = 11,663,121.38

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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.