Home / 10,195,123.42-15,292,726.37-4,129,969.87

Finding the Fourth Proportional to 10,195,123.42, 15,292,726.37 and 4,129,969.87

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Solution

The fourth proportional to 10,195,123.42, 15,292,726.37 and 4,129,969.87 is: 6,194,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,123.42 : 15,292,726.37 = 4,129,969.87 : x
  2. Step 2: Convert to fraction form
    10,195,123.42/15,292,726.37 = 4,129,969.87/x
  3. Step 3: Cross multiply
    10,195,123.42x = 15,292,726.37 × 4,129,969.87
  4. Step 4: Simplify right side
    10,195,123.42x = 63,158,499,138,254.47
  5. Step 5: Solve for x
    x = 63,158,499,138,254.47/10,195,123.42
  6. Step 6: Final answer
    x = 6,194,971.51

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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.