Home / 28,654,734.60-42,982,101.90-19,584,808.20

Finding the Fourth Proportional to 28,654,734.60, 42,982,101.90 and 19,584,808.20

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Solution

The fourth proportional to 28,654,734.60, 42,982,101.90 and 19,584,808.20 is: 29,377,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,734.60 : 42,982,101.90 = 19,584,808.20 : x
  2. Step 2: Convert to fraction form
    28,654,734.60/42,982,101.90 = 19,584,808.20/x
  3. Step 3: Cross multiply
    28,654,734.60x = 42,982,101.90 × 19,584,808.20
  4. Step 4: Simplify right side
    28,654,734.60x = 841,796,221,744,355.50
  5. Step 5: Solve for x
    x = 841,796,221,744,355.50/28,654,734.60
  6. Step 6: Final answer
    x = 29,377,212.30

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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.