Home / 8,428,624.80-11,630,251.02-5,119,196.87

Finding the Fourth Proportional to 8,428,624.80, 11,630,251.02 and 5,119,196.87

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Solution

The fourth proportional to 8,428,624.80, 11,630,251.02 and 5,119,196.87 is: 7,063,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,624.80 : 11,630,251.02 = 5,119,196.87 : x
  2. Step 2: Convert to fraction form
    8,428,624.80/11,630,251.02 = 5,119,196.87/x
  3. Step 3: Cross multiply
    8,428,624.80x = 11,630,251.02 × 5,119,196.87
  4. Step 4: Simplify right side
    8,428,624.80x = 59,537,544,564,226.70
  5. Step 5: Solve for x
    x = 59,537,544,564,226.70/8,428,624.80
  6. Step 6: Final answer
    x = 7,063,731.74

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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.