Home / 13,053,418.52-18,012,661.29-7,547,146.64

Finding the Fourth Proportional to 13,053,418.52, 18,012,661.29 and 7,547,146.64

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Solution

The fourth proportional to 13,053,418.52, 18,012,661.29 and 7,547,146.64 is: 10,414,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,418.52 : 18,012,661.29 = 7,547,146.64 : x
  2. Step 2: Convert to fraction form
    13,053,418.52/18,012,661.29 = 7,547,146.64/x
  3. Step 3: Cross multiply
    13,053,418.52x = 18,012,661.29 × 7,547,146.64
  4. Step 4: Simplify right side
    13,053,418.52x = 135,944,196,132,281.55
  5. Step 5: Solve for x
    x = 135,944,196,132,281.55/13,053,418.52
  6. Step 6: Final answer
    x = 10,414,451.66

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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.