Home / 7,656,490.02-10,566,700.92-5,719,387.80

Finding the Fourth Proportional to 7,656,490.02, 10,566,700.92 and 5,719,387.80

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Solution

The fourth proportional to 7,656,490.02, 10,566,700.92 and 5,719,387.80 is: 7,893,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,490.02 : 10,566,700.92 = 5,719,387.80 : x
  2. Step 2: Convert to fraction form
    7,656,490.02/10,566,700.92 = 5,719,387.80/x
  3. Step 3: Cross multiply
    7,656,490.02x = 10,566,700.92 × 5,719,387.80
  4. Step 4: Simplify right side
    7,656,490.02x = 60,435,060,328,096.77
  5. Step 5: Solve for x
    x = 60,435,060,328,096.77/7,656,490.02
  6. Step 6: Final answer
    x = 7,893,311.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.