Home / 10,859,331.68-14,988,487.55-6,215,808.85

Finding the Fourth Proportional to 10,859,331.68, 14,988,487.55 and 6,215,808.85

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Solution

The fourth proportional to 10,859,331.68, 14,988,487.55 and 6,215,808.85 is: 8,579,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859,331.68 : 14,988,487.55 = 6,215,808.85 : x
  2. Step 2: Convert to fraction form
    10,859,331.68/14,988,487.55 = 6,215,808.85/x
  3. Step 3: Cross multiply
    10,859,331.68x = 14,988,487.55 × 6,215,808.85
  4. Step 4: Simplify right side
    10,859,331.68x = 93,165,573,561,404.81
  5. Step 5: Solve for x
    x = 93,165,573,561,404.81/10,859,331.68
  6. Step 6: Final answer
    x = 8,579,310.06

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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.