Home / 20,804,503.90-31,206,853.05-7,341,331.90

Finding the Fourth Proportional to 20,804,503.90, 31,206,853.05 and 7,341,331.90

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Solution

The fourth proportional to 20,804,503.90, 31,206,853.05 and 7,341,331.90 is: 11,012,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,503.90 : 31,206,853.05 = 7,341,331.90 : x
  2. Step 2: Convert to fraction form
    20,804,503.90/31,206,853.05 = 7,341,331.90/x
  3. Step 3: Cross multiply
    20,804,503.90x = 31,206,853.05 × 7,341,331.90
  4. Step 4: Simplify right side
    20,804,503.90x = 229,099,865,794,577.31
  5. Step 5: Solve for x
    x = 229,099,865,794,577.31/20,804,503.90
  6. Step 6: Final answer
    x = 11,012,032.15

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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.