Home / 25,760,432.80-38,640,649.20-19,335,901.60

Finding the Fourth Proportional to 25,760,432.80, 38,640,649.20 and 19,335,901.60

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Solution

The fourth proportional to 25,760,432.80, 38,640,649.20 and 19,335,901.60 is: 29,003,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760,432.80 : 38,640,649.20 = 19,335,901.60 : x
  2. Step 2: Convert to fraction form
    25,760,432.80/38,640,649.20 = 19,335,901.60/x
  3. Step 3: Cross multiply
    25,760,432.80x = 38,640,649.20 × 19,335,901.60
  4. Step 4: Simplify right side
    25,760,432.80x = 747,151,790,691,318.88
  5. Step 5: Solve for x
    x = 747,151,790,691,318.88/25,760,432.80
  6. Step 6: Final answer
    x = 29,003,852.40

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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.