Home / 7,722,678.40-11,572,612.80-5,597,238.40

Finding the Fourth Proportional to 7,722,678.40, 11,572,612.80 and 5,597,238.40

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Solution

The fourth proportional to 7,722,678.40, 11,572,612.80 and 5,597,238.40 is: 8,387,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,678.40 : 11,572,612.80 = 5,597,238.40 : x
  2. Step 2: Convert to fraction form
    7,722,678.40/11,572,612.80 = 5,597,238.40/x
  3. Step 3: Cross multiply
    7,722,678.40x = 11,572,612.80 × 5,597,238.40
  4. Step 4: Simplify right side
    7,722,678.40x = 64,774,672,752,491.53
  5. Step 5: Solve for x
    x = 64,774,672,752,491.53/7,722,678.40
  6. Step 6: Final answer
    x = 8,387,591.64

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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.