Home / 20,939,251.60-31,408,877.40-17,604,902.80

Finding the Fourth Proportional to 20,939,251.60, 31,408,877.40 and 17,604,902.80

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Solution

The fourth proportional to 20,939,251.60, 31,408,877.40 and 17,604,902.80 is: 26,407,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,939,251.60 : 31,408,877.40 = 17,604,902.80 : x
  2. Step 2: Convert to fraction form
    20,939,251.60/31,408,877.40 = 17,604,902.80/x
  3. Step 3: Cross multiply
    20,939,251.60x = 31,408,877.40 × 17,604,902.80
  4. Step 4: Simplify right side
    20,939,251.60x = 552,950,233,684,116.69
  5. Step 5: Solve for x
    x = 552,950,233,684,116.69/20,939,251.60
  6. Step 6: Final answer
    x = 26,407,354.20

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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.