Home / 13,053,348.52-18,012,565.02-7,547,076.72

Finding the Fourth Proportional to 13,053,348.52, 18,012,565.02 and 7,547,076.72

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Solution

The fourth proportional to 13,053,348.52, 18,012,565.02 and 7,547,076.72 is: 10,414,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,348.52 : 18,012,565.02 = 7,547,076.72 : x
  2. Step 2: Convert to fraction form
    13,053,348.52/18,012,565.02 = 7,547,076.72/x
  3. Step 3: Cross multiply
    13,053,348.52x = 18,012,565.02 × 7,547,076.72
  4. Step 4: Simplify right side
    13,053,348.52x = 135,942,210,129,928.33
  5. Step 5: Solve for x
    x = 135,942,210,129,928.33/13,053,348.52
  6. Step 6: Final answer
    x = 10,414,355.36

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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.