Home / 37,396,726.80-56,142,329.40-20,138,672.40

Finding the Fourth Proportional to 37,396,726.80, 56,142,329.40 and 20,138,672.40

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Solution

The fourth proportional to 37,396,726.80, 56,142,329.40 and 20,138,672.40 is: 30,233,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396,726.80 : 56,142,329.40 = 20,138,672.40 : x
  2. Step 2: Convert to fraction form
    37,396,726.80/56,142,329.40 = 20,138,672.40/x
  3. Step 3: Cross multiply
    37,396,726.80x = 56,142,329.40 × 20,138,672.40
  4. Step 4: Simplify right side
    37,396,726.80x = 1,130,631,979,559,488.50
  5. Step 5: Solve for x
    x = 1,130,631,979,559,488.50/37,396,726.80
  6. Step 6: Final answer
    x = 30,233,447.59

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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.