Home / 8,366,963.56-12,549,715.74-5,172,582.76

Finding the Fourth Proportional to 8,366,963.56, 12,549,715.74 and 5,172,582.76

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Solution

The fourth proportional to 8,366,963.56, 12,549,715.74 and 5,172,582.76 is: 7,758,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366,963.56 : 12,549,715.74 = 5,172,582.76 : x
  2. Step 2: Convert to fraction form
    8,366,963.56/12,549,715.74 = 5,172,582.76/x
  3. Step 3: Cross multiply
    8,366,963.56x = 12,549,715.74 × 5,172,582.76
  4. Step 4: Simplify right side
    8,366,963.56x = 64,914,443,279,624.64
  5. Step 5: Solve for x
    x = 64,914,443,279,624.64/8,366,963.56
  6. Step 6: Final answer
    x = 7,758,423.09

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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.