Home / 28,547,132.26-39,393,987.10-15,494,110.95

Finding the Fourth Proportional to 28,547,132.26, 39,393,987.10 and 15,494,110.95

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Solution

The fourth proportional to 28,547,132.26, 39,393,987.10 and 15,494,110.95 is: 21,381,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,132.26 : 39,393,987.10 = 15,494,110.95 : x
  2. Step 2: Convert to fraction form
    28,547,132.26/39,393,987.10 = 15,494,110.95/x
  3. Step 3: Cross multiply
    28,547,132.26x = 39,393,987.10 × 15,494,110.95
  4. Step 4: Simplify right side
    28,547,132.26x = 610,374,806,890,268.75
  5. Step 5: Solve for x
    x = 610,374,806,890,268.75/28,547,132.26
  6. Step 6: Final answer
    x = 21,381,300.28

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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.