Home / 13,855,575.29-19,120,363.61-7,744,572.41

Finding the Fourth Proportional to 13,855,575.29, 19,120,363.61 and 7,744,572.41

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Solution

The fourth proportional to 13,855,575.29, 19,120,363.61 and 7,744,572.41 is: 10,687,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,575.29 : 19,120,363.61 = 7,744,572.41 : x
  2. Step 2: Convert to fraction form
    13,855,575.29/19,120,363.61 = 7,744,572.41/x
  3. Step 3: Cross multiply
    13,855,575.29x = 19,120,363.61 × 7,744,572.41
  4. Step 4: Simplify right side
    13,855,575.29x = 148,079,040,348,849.34
  5. Step 5: Solve for x
    x = 148,079,040,348,849.34/13,855,575.29
  6. Step 6: Final answer
    x = 10,687,325.30

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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.