Home / 13,053,252.56-18,013,788.70-7,173,252.32

Finding the Fourth Proportional to 13,053,252.56, 18,013,788.70 and 7,173,252.32

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Solution

The fourth proportional to 13,053,252.56, 18,013,788.70 and 7,173,252.32 is: 9,899,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,252.56 : 18,013,788.70 = 7,173,252.32 : x
  2. Step 2: Convert to fraction form
    13,053,252.56/18,013,788.70 = 7,173,252.32/x
  3. Step 3: Cross multiply
    13,053,252.56x = 18,013,788.70 × 7,173,252.32
  4. Step 4: Simplify right side
    13,053,252.56x = 129,217,451,584,264.78
  5. Step 5: Solve for x
    x = 129,217,451,584,264.78/13,053,252.56
  6. Step 6: Final answer
    x = 9,899,253.15

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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.