Home / 12,755,422.08-19,127,503.80-3,655,454.40

Finding the Fourth Proportional to 12,755,422.08, 19,127,503.80 and 3,655,454.40

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Solution

The fourth proportional to 12,755,422.08, 19,127,503.80 and 3,655,454.40 is: 5,481,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,422.08 : 19,127,503.80 = 3,655,454.40 : x
  2. Step 2: Convert to fraction form
    12,755,422.08/19,127,503.80 = 3,655,454.40/x
  3. Step 3: Cross multiply
    12,755,422.08x = 19,127,503.80 × 3,655,454.40
  4. Step 4: Simplify right side
    12,755,422.08x = 69,919,717,926,726.72
  5. Step 5: Solve for x
    x = 69,919,717,926,726.72/12,755,422.08
  6. Step 6: Final answer
    x = 5,481,568.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.