Home / 18,488,411.25-25,513,988.27-10,339,649.25

Finding the Fourth Proportional to 18,488,411.25, 25,513,988.27 and 10,339,649.25

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Solution

The fourth proportional to 18,488,411.25, 25,513,988.27 and 10,339,649.25 is: 14,268,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,411.25 : 25,513,988.27 = 10,339,649.25 : x
  2. Step 2: Convert to fraction form
    18,488,411.25/25,513,988.27 = 10,339,649.25/x
  3. Step 3: Cross multiply
    18,488,411.25x = 25,513,988.27 × 10,339,649.25
  4. Step 4: Simplify right side
    18,488,411.25x = 263,805,689,680,414.28
  5. Step 5: Solve for x
    x = 263,805,689,680,414.28/18,488,411.25
  6. Step 6: Final answer
    x = 14,268,705.20

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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.