Home / 37,780,540.80-56,712,801.60-20,774,428.80

Finding the Fourth Proportional to 37,780,540.80, 56,712,801.60 and 20,774,428.80

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Solution

The fourth proportional to 37,780,540.80, 56,712,801.60 and 20,774,428.80 is: 31,184,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,780,540.80 : 56,712,801.60 = 20,774,428.80 : x
  2. Step 2: Convert to fraction form
    37,780,540.80/56,712,801.60 = 20,774,428.80/x
  3. Step 3: Cross multiply
    37,780,540.80x = 56,712,801.60 × 20,774,428.80
  4. Step 4: Simplify right side
    37,780,540.80x = 1,178,176,058,887,726.25
  5. Step 5: Solve for x
    x = 1,178,176,058,887,726.25/37,780,540.80
  6. Step 6: Final answer
    x = 31,184,732.51

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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.