Home / 10,012,429.35-15,013,670.52-3,188,111.70

Finding the Fourth Proportional to 10,012,429.35, 15,013,670.52 and 3,188,111.70

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Solution

The fourth proportional to 10,012,429.35, 15,013,670.52 and 3,188,111.70 is: 4,780,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,429.35 : 15,013,670.52 = 3,188,111.70 : x
  2. Step 2: Convert to fraction form
    10,012,429.35/15,013,670.52 = 3,188,111.70/x
  3. Step 3: Cross multiply
    10,012,429.35x = 15,013,670.52 × 3,188,111.70
  4. Step 4: Simplify right side
    10,012,429.35x = 47,865,258,644,757.09
  5. Step 5: Solve for x
    x = 47,865,258,644,757.09/10,012,429.35
  6. Step 6: Final answer
    x = 4,780,583.91

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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.