Home / 10,167,397.70-14,030,957.85-5,521,141.22

Finding the Fourth Proportional to 10,167,397.70, 14,030,957.85 and 5,521,141.22

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Solution

The fourth proportional to 10,167,397.70, 14,030,957.85 and 5,521,141.22 is: 7,619,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,397.70 : 14,030,957.85 = 5,521,141.22 : x
  2. Step 2: Convert to fraction form
    10,167,397.70/14,030,957.85 = 5,521,141.22/x
  3. Step 3: Cross multiply
    10,167,397.70x = 14,030,957.85 × 5,521,141.22
  4. Step 4: Simplify right side
    10,167,397.70x = 77,466,899,741,717.58
  5. Step 5: Solve for x
    x = 77,466,899,741,717.58/10,167,397.70
  6. Step 6: Final answer
    x = 7,619,147.20

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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.