Home / 15,113,325.72-20,856,395.10-8,586,963.75

Finding the Fourth Proportional to 15,113,325.72, 20,856,395.10 and 8,586,963.75

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Solution

The fourth proportional to 15,113,325.72, 20,856,395.10 and 8,586,963.75 is: 11,850,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,325.72 : 20,856,395.10 = 8,586,963.75 : x
  2. Step 2: Convert to fraction form
    15,113,325.72/20,856,395.10 = 8,586,963.75/x
  3. Step 3: Cross multiply
    15,113,325.72x = 20,856,395.10 × 8,586,963.75
  4. Step 4: Simplify right side
    15,113,325.72x = 179,093,108,679,377.62
  5. Step 5: Solve for x
    x = 179,093,108,679,377.62/15,113,325.72
  6. Step 6: Final answer
    x = 11,850,013.16

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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.