Home / 19,929,846.60-29,894,769.90-15,111,448.20

Finding the Fourth Proportional to 19,929,846.60, 29,894,769.90 and 15,111,448.20

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Solution

The fourth proportional to 19,929,846.60, 29,894,769.90 and 15,111,448.20 is: 22,667,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,846.60 : 29,894,769.90 = 15,111,448.20 : x
  2. Step 2: Convert to fraction form
    19,929,846.60/29,894,769.90 = 15,111,448.20/x
  3. Step 3: Cross multiply
    19,929,846.60x = 29,894,769.90 × 15,111,448.20
  4. Step 4: Simplify right side
    19,929,846.60x = 451,753,266,794,769.12
  5. Step 5: Solve for x
    x = 451,753,266,794,769.12/19,929,846.60
  6. Step 6: Final answer
    x = 22,667,172.30

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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.