Home / 10,278,521.01-15,419,726.12-4,130,980.19

Finding the Fourth Proportional to 10,278,521.01, 15,419,726.12 and 4,130,980.19

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Solution

The fourth proportional to 10,278,521.01, 15,419,726.12 and 4,130,980.19 is: 6,197,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,521.01 : 15,419,726.12 = 4,130,980.19 : x
  2. Step 2: Convert to fraction form
    10,278,521.01/15,419,726.12 = 4,130,980.19/x
  3. Step 3: Cross multiply
    10,278,521.01x = 15,419,726.12 × 4,130,980.19
  4. Step 4: Simplify right side
    10,278,521.01x = 63,698,583,136,945.55
  5. Step 5: Solve for x
    x = 63,698,583,136,945.55/10,278,521.01
  6. Step 6: Final answer
    x = 6,197,251.83

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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.