Home / 28,026,732.60-42,019,922.52-17,221,709.34

Finding the Fourth Proportional to 28,026,732.60, 42,019,922.52 and 17,221,709.34

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Solution

The fourth proportional to 28,026,732.60, 42,019,922.52 and 17,221,709.34 is: 25,820,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,732.60 : 42,019,922.52 = 17,221,709.34 : x
  2. Step 2: Convert to fraction form
    28,026,732.60/42,019,922.52 = 17,221,709.34/x
  3. Step 3: Cross multiply
    28,026,732.60x = 42,019,922.52 × 17,221,709.34
  4. Step 4: Simplify right side
    28,026,732.60x = 723,654,892,128,760.38
  5. Step 5: Solve for x
    x = 723,654,892,128,760.38/28,026,732.60
  6. Step 6: Final answer
    x = 25,820,166.14

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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.