Home / 28,761,213.20-43,141,819.80-26,157,808.40

Finding the Fourth Proportional to 28,761,213.20, 43,141,819.80 and 26,157,808.40

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Solution

The fourth proportional to 28,761,213.20, 43,141,819.80 and 26,157,808.40 is: 39,236,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,213.20 : 43,141,819.80 = 26,157,808.40 : x
  2. Step 2: Convert to fraction form
    28,761,213.20/43,141,819.80 = 26,157,808.40/x
  3. Step 3: Cross multiply
    28,761,213.20x = 43,141,819.80 × 26,157,808.40
  4. Step 4: Simplify right side
    28,761,213.20x = 1,128,495,456,355,726.25
  5. Step 5: Solve for x
    x = 1,128,495,456,355,726.25/28,761,213.20
  6. Step 6: Final answer
    x = 39,236,712.60

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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.