Home / 25,990,221.20-38,976,000.60-13,206,477.20

Finding the Fourth Proportional to 25,990,221.20, 38,976,000.60 and 13,206,477.20

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Solution

The fourth proportional to 25,990,221.20, 38,976,000.60 and 13,206,477.20 is: 19,804,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990,221.20 : 38,976,000.60 = 13,206,477.20 : x
  2. Step 2: Convert to fraction form
    25,990,221.20/38,976,000.60 = 13,206,477.20/x
  3. Step 3: Cross multiply
    25,990,221.20x = 38,976,000.60 × 13,206,477.20
  4. Step 4: Simplify right side
    25,990,221.20x = 514,735,663,271,086.31
  5. Step 5: Solve for x
    x = 514,735,663,271,086.31/25,990,221.20
  6. Step 6: Final answer
    x = 19,804,974.31

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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.