Home / 15,120,720.60-22,666,565.70-5,018,141.40

Finding the Fourth Proportional to 15,120,720.60, 22,666,565.70 and 5,018,141.40

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Solution

The fourth proportional to 15,120,720.60, 22,666,565.70 and 5,018,141.40 is: 7,522,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,720.60 : 22,666,565.70 = 5,018,141.40 : x
  2. Step 2: Convert to fraction form
    15,120,720.60/22,666,565.70 = 5,018,141.40/x
  3. Step 3: Cross multiply
    15,120,720.60x = 22,666,565.70 × 5,018,141.40
  4. Step 4: Simplify right side
    15,120,720.60x = 113,744,031,734,989.98
  5. Step 5: Solve for x
    x = 113,744,031,734,989.98/15,120,720.60
  6. Step 6: Final answer
    x = 7,522,394.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.