Home / 31,506,720.90-47,260,081.35-7,572,192.90

Finding the Fourth Proportional to 31,506,720.90, 47,260,081.35 and 7,572,192.90

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Solution

The fourth proportional to 31,506,720.90, 47,260,081.35 and 7,572,192.90 is: 11,358,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,720.90 : 47,260,081.35 = 7,572,192.90 : x
  2. Step 2: Convert to fraction form
    31,506,720.90/47,260,081.35 = 7,572,192.90/x
  3. Step 3: Cross multiply
    31,506,720.90x = 47,260,081.35 × 7,572,192.90
  4. Step 4: Simplify right side
    31,506,720.90x = 357,862,452,451,892.44
  5. Step 5: Solve for x
    x = 357,862,452,451,892.44/31,506,720.90
  6. Step 6: Final answer
    x = 11,358,289.35

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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.