Home / 19,929,852.60-29,894,778.90-15,111,454.20

Finding the Fourth Proportional to 19,929,852.60, 29,894,778.90 and 15,111,454.20

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Solution

The fourth proportional to 19,929,852.60, 29,894,778.90 and 15,111,454.20 is: 22,667,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,852.60 : 29,894,778.90 = 15,111,454.20 : x
  2. Step 2: Convert to fraction form
    19,929,852.60/29,894,778.90 = 15,111,454.20/x
  3. Step 3: Cross multiply
    19,929,852.60x = 29,894,778.90 × 15,111,454.20
  4. Step 4: Simplify right side
    19,929,852.60x = 451,753,582,166,476.31
  5. Step 5: Solve for x
    x = 451,753,582,166,476.31/19,929,852.60
  6. Step 6: Final answer
    x = 22,667,181.30

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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.