Home / 18,253,461.40-25,191,175.68-10,413,146.20

Finding the Fourth Proportional to 18,253,461.40, 25,191,175.68 and 10,413,146.20

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Solution

The fourth proportional to 18,253,461.40, 25,191,175.68 and 10,413,146.20 is: 14,370,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253,461.40 : 25,191,175.68 = 10,413,146.20 : x
  2. Step 2: Convert to fraction form
    18,253,461.40/25,191,175.68 = 10,413,146.20/x
  3. Step 3: Cross multiply
    18,253,461.40x = 25,191,175.68 × 10,413,146.20
  4. Step 4: Simplify right side
    18,253,461.40x = 262,319,395,305,724.41
  5. Step 5: Solve for x
    x = 262,319,395,305,724.41/18,253,461.40
  6. Step 6: Final answer
    x = 14,370,939.82

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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.