Home / 8,160,666.90-12,267,572.40-5,780,992.20

Finding the Fourth Proportional to 8,160,666.90, 12,267,572.40 and 5,780,992.20

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Solution

The fourth proportional to 8,160,666.90, 12,267,572.40 and 5,780,992.20 is: 8,690,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,666.90 : 12,267,572.40 = 5,780,992.20 : x
  2. Step 2: Convert to fraction form
    8,160,666.90/12,267,572.40 = 5,780,992.20/x
  3. Step 3: Cross multiply
    8,160,666.90x = 12,267,572.40 × 5,780,992.20
  4. Step 4: Simplify right side
    8,160,666.90x = 70,918,740,357,335.28
  5. Step 5: Solve for x
    x = 70,918,740,357,335.28/8,160,666.90
  6. Step 6: Final answer
    x = 8,690,311.86

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1.5x scale

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.