Home / 7,767,337.20-11,651,005.80-5,079,951.60

Finding the Fourth Proportional to 7,767,337.20, 11,651,005.80 and 5,079,951.60

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Solution

The fourth proportional to 7,767,337.20, 11,651,005.80 and 5,079,951.60 is: 7,619,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,337.20 : 11,651,005.80 = 5,079,951.60 : x
  2. Step 2: Convert to fraction form
    7,767,337.20/11,651,005.80 = 5,079,951.60/x
  3. Step 3: Cross multiply
    7,767,337.20x = 11,651,005.80 × 5,079,951.60
  4. Step 4: Simplify right side
    7,767,337.20x = 59,186,545,555,319.28
  5. Step 5: Solve for x
    x = 59,186,545,555,319.28/7,767,337.20
  6. Step 6: Final answer
    x = 7,619,927.40

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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.