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Finding the Fourth Proportional to 25,751,710.80, 38,627,566.20 and 9,793,285.20

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Solution

The fourth proportional to 25,751,710.80, 38,627,566.20 and 9,793,285.20 is: 14,689,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751,710.80 : 38,627,566.20 = 9,793,285.20 : x
  2. Step 2: Convert to fraction form
    25,751,710.80/38,627,566.20 = 9,793,285.20/x
  3. Step 3: Cross multiply
    25,751,710.80x = 38,627,566.20 × 9,793,285.20
  4. Step 4: Simplify right side
    25,751,710.80x = 378,290,772,378,480.25
  5. Step 5: Solve for x
    x = 378,290,772,378,480.25/25,751,710.80
  6. Step 6: Final answer
    x = 14,689,927.80

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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.