Home / 8,780,807.52-13,171,211.28-5,788,291.68

Finding the Fourth Proportional to 8,780,807.52, 13,171,211.28 and 5,788,291.68

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Solution

The fourth proportional to 8,780,807.52, 13,171,211.28 and 5,788,291.68 is: 8,682,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,807.52 : 13,171,211.28 = 5,788,291.68 : x
  2. Step 2: Convert to fraction form
    8,780,807.52/13,171,211.28 = 5,788,291.68/x
  3. Step 3: Cross multiply
    8,780,807.52x = 13,171,211.28 × 5,788,291.68
  4. Step 4: Simplify right side
    8,780,807.52x = 76,238,812,667,546.14
  5. Step 5: Solve for x
    x = 76,238,812,667,546.14/8,780,807.52
  6. Step 6: Final answer
    x = 8,682,437.52

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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.