Home / 8,510,811.20-12,766,216.80-8,342,849.60

Finding the Fourth Proportional to 8,510,811.20, 12,766,216.80 and 8,342,849.60

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Solution

The fourth proportional to 8,510,811.20, 12,766,216.80 and 8,342,849.60 is: 12,514,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,811.20 : 12,766,216.80 = 8,342,849.60 : x
  2. Step 2: Convert to fraction form
    8,510,811.20/12,766,216.80 = 8,342,849.60/x
  3. Step 3: Cross multiply
    8,510,811.20x = 12,766,216.80 × 8,342,849.60
  4. Step 4: Simplify right side
    8,510,811.20x = 106,506,626,723,393.28
  5. Step 5: Solve for x
    x = 106,506,626,723,393.28/8,510,811.20
  6. Step 6: Final answer
    x = 12,514,274.40

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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.