Home / 10,366,181.46-14,310,509.49-6,447,200.78

Finding the Fourth Proportional to 10,366,181.46, 14,310,509.49 and 6,447,200.78

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Solution

The fourth proportional to 10,366,181.46, 14,310,509.49 and 6,447,200.78 is: 8,900,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,181.46 : 14,310,509.49 = 6,447,200.78 : x
  2. Step 2: Convert to fraction form
    10,366,181.46/14,310,509.49 = 6,447,200.78/x
  3. Step 3: Cross multiply
    10,366,181.46x = 14,310,509.49 × 6,447,200.78
  4. Step 4: Simplify right side
    10,366,181.46x = 92,262,727,981,901.67
  5. Step 5: Solve for x
    x = 92,262,727,981,901.67/10,366,181.46
  6. Step 6: Final answer
    x = 8,900,358.18

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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.