Home / 13,693,290.48-18,897,331.32-7,581,719.52

Finding the Fourth Proportional to 13,693,290.48, 18,897,331.32 and 7,581,719.52

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Solution

The fourth proportional to 13,693,290.48, 18,897,331.32 and 7,581,719.52 is: 10,463,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,290.48 : 18,897,331.32 = 7,581,719.52 : x
  2. Step 2: Convert to fraction form
    13,693,290.48/18,897,331.32 = 7,581,719.52/x
  3. Step 3: Cross multiply
    13,693,290.48x = 18,897,331.32 × 7,581,719.52
  4. Step 4: Simplify right side
    13,693,290.48x = 143,274,265,744,751.38
  5. Step 5: Solve for x
    x = 143,274,265,744,751.38/13,693,290.48
  6. Step 6: Final answer
    x = 10,463,099.86

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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.