Home / 15,128,855.95-22,575,285.73-13,498,418.29

Finding the Fourth Proportional to 15,128,855.95, 22,575,285.73 and 13,498,418.29

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Solution

The fourth proportional to 15,128,855.95, 22,575,285.73 and 13,498,418.29 is: 20,142,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,855.95 : 22,575,285.73 = 13,498,418.29 : x
  2. Step 2: Convert to fraction form
    15,128,855.95/22,575,285.73 = 13,498,418.29/x
  3. Step 3: Cross multiply
    15,128,855.95x = 22,575,285.73 × 13,498,418.29
  4. Step 4: Simplify right side
    15,128,855.95x = 304,730,649,799,808
  5. Step 5: Solve for x
    x = 304,730,649,799,808/15,128,855.95
  6. Step 6: Final answer
    x = 20,142,345.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.