Home / 10,837,197.39-14,940,864.82-8,609,366.91

Finding the Fourth Proportional to 10,837,197.39, 14,940,864.82 and 8,609,366.91

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Solution

The fourth proportional to 10,837,197.39, 14,940,864.82 and 8,609,366.91 is: 11,869,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837,197.39 : 14,940,864.82 = 8,609,366.91 : x
  2. Step 2: Convert to fraction form
    10,837,197.39/14,940,864.82 = 8,609,366.91/x
  3. Step 3: Cross multiply
    10,837,197.39x = 14,940,864.82 × 8,609,366.91
  4. Step 4: Simplify right side
    10,837,197.39x = 128,631,387,154,696.14
  5. Step 5: Solve for x
    x = 128,631,387,154,696.14/10,837,197.39
  6. Step 6: Final answer
    x = 11,869,432.90

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1.5x scale

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.