Home / 13,695,955.92-18,900,402.12-7,584,377.04

Finding the Fourth Proportional to 13,695,955.92, 18,900,402.12 and 7,584,377.04

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Solution

The fourth proportional to 13,695,955.92, 18,900,402.12 and 7,584,377.04 is: 10,466,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695,955.92 : 18,900,402.12 = 7,584,377.04 : x
  2. Step 2: Convert to fraction form
    13,695,955.92/18,900,402.12 = 7,584,377.04/x
  3. Step 3: Cross multiply
    13,695,955.92x = 18,900,402.12 × 7,584,377.04
  4. Step 4: Simplify right side
    13,695,955.92x = 143,347,775,885,695.34
  5. Step 5: Solve for x
    x = 143,347,775,885,695.34/13,695,955.92
  6. Step 6: Final answer
    x = 10,466,430.87

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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.