Home / 12,398,575.28-18,598,053.65-4,722,648.16

Finding the Fourth Proportional to 12,398,575.28, 18,598,053.65 and 4,722,648.16

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Solution

The fourth proportional to 12,398,575.28, 18,598,053.65 and 4,722,648.16 is: 7,084,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,575.28 : 18,598,053.65 = 4,722,648.16 : x
  2. Step 2: Convert to fraction form
    12,398,575.28/18,598,053.65 = 4,722,648.16/x
  3. Step 3: Cross multiply
    12,398,575.28x = 18,598,053.65 × 4,722,648.16
  4. Step 4: Simplify right side
    12,398,575.28x = 87,832,063,733,150.28
  5. Step 5: Solve for x
    x = 87,832,063,733,150.28/12,398,575.28
  6. Step 6: Final answer
    x = 7,084,044.88

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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.