Home / 8,689,305.28-11,991,516.26-5,018,155.44

Finding the Fourth Proportional to 8,689,305.28, 11,991,516.26 and 5,018,155.44

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Solution

The fourth proportional to 8,689,305.28, 11,991,516.26 and 5,018,155.44 is: 6,925,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,305.28 : 11,991,516.26 = 5,018,155.44 : x
  2. Step 2: Convert to fraction form
    8,689,305.28/11,991,516.26 = 5,018,155.44/x
  3. Step 3: Cross multiply
    8,689,305.28x = 11,991,516.26 × 5,018,155.44
  4. Step 4: Simplify right side
    8,689,305.28x = 60,175,292,553,967.46
  5. Step 5: Solve for x
    x = 60,175,292,553,967.46/8,689,305.28
  6. Step 6: Final answer
    x = 6,925,213.31

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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.