Home / 39,427,104.70-54,408,259.02-21,785,726.94

Finding the Fourth Proportional to 39,427,104.70, 54,408,259.02 and 21,785,726.94

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Solution

The fourth proportional to 39,427,104.70, 54,408,259.02 and 21,785,726.94 is: 30,063,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427,104.70 : 54,408,259.02 = 21,785,726.94 : x
  2. Step 2: Convert to fraction form
    39,427,104.70/54,408,259.02 = 21,785,726.94/x
  3. Step 3: Cross multiply
    39,427,104.70x = 54,408,259.02 × 21,785,726.94
  4. Step 4: Simplify right side
    39,427,104.70x = 1,185,323,474,290,512.25
  5. Step 5: Solve for x
    x = 1,185,323,474,290,512.25/39,427,104.70
  6. Step 6: Final answer
    x = 30,063,670.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.