Home / 8,320,565.20-12,480,847.80-3,272,040.40

Finding the Fourth Proportional to 8,320,565.20, 12,480,847.80 and 3,272,040.40

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Solution

The fourth proportional to 8,320,565.20, 12,480,847.80 and 3,272,040.40 is: 4,908,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,565.20 : 12,480,847.80 = 3,272,040.40 : x
  2. Step 2: Convert to fraction form
    8,320,565.20/12,480,847.80 = 3,272,040.40/x
  3. Step 3: Cross multiply
    8,320,565.20x = 12,480,847.80 × 3,272,040.40
  4. Step 4: Simplify right side
    8,320,565.20x = 40,837,838,227,851.12
  5. Step 5: Solve for x
    x = 40,837,838,227,851.12/8,320,565.20
  6. Step 6: Final answer
    x = 4,908,060.60

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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.