Home / 12,260,040.90-18,390,061.35-10,346,853.30

Finding the Fourth Proportional to 12,260,040.90, 18,390,061.35 and 10,346,853.30

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Solution

The fourth proportional to 12,260,040.90, 18,390,061.35 and 10,346,853.30 is: 15,520,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,040.90 : 18,390,061.35 = 10,346,853.30 : x
  2. Step 2: Convert to fraction form
    12,260,040.90/18,390,061.35 = 10,346,853.30/x
  3. Step 3: Cross multiply
    12,260,040.90x = 18,390,061.35 × 10,346,853.30
  4. Step 4: Simplify right side
    12,260,040.90x = 190,279,266,966,449.97
  5. Step 5: Solve for x
    x = 190,279,266,966,449.97/12,260,040.90
  6. Step 6: Final answer
    x = 15,520,279.95

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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.