Home / 7,290,753.20-10,923,007.80-5,784,347.60

Finding the Fourth Proportional to 7,290,753.20, 10,923,007.80 and 5,784,347.60

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Solution

The fourth proportional to 7,290,753.20, 10,923,007.80 and 5,784,347.60 is: 8,666,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,753.20 : 10,923,007.80 = 5,784,347.60 : x
  2. Step 2: Convert to fraction form
    7,290,753.20/10,923,007.80 = 5,784,347.60/x
  3. Step 3: Cross multiply
    7,290,753.20x = 10,923,007.80 × 5,784,347.60
  4. Step 4: Simplify right side
    7,290,753.20x = 63,182,473,952,711.28
  5. Step 5: Solve for x
    x = 63,182,473,952,711.28/7,290,753.20
  6. Step 6: Final answer
    x = 8,666,110.65

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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.