Home / 39,228,789.40-58,843,184.10-12,302,402.20

Finding the Fourth Proportional to 39,228,789.40, 58,843,184.10 and 12,302,402.20

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Solution

The fourth proportional to 39,228,789.40, 58,843,184.10 and 12,302,402.20 is: 18,453,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,789.40 : 58,843,184.10 = 12,302,402.20 : x
  2. Step 2: Convert to fraction form
    39,228,789.40/58,843,184.10 = 12,302,402.20/x
  3. Step 3: Cross multiply
    39,228,789.40x = 58,843,184.10 × 12,302,402.20
  4. Step 4: Simplify right side
    39,228,789.40x = 723,912,517,526,845
  5. Step 5: Solve for x
    x = 723,912,517,526,845/39,228,789.40
  6. Step 6: Final answer
    x = 18,453,603.30

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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.