Home / 18,575,575.40-27,863,363.10-9,966,231.20

Finding the Fourth Proportional to 18,575,575.40, 27,863,363.10 and 9,966,231.20

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Solution

The fourth proportional to 18,575,575.40, 27,863,363.10 and 9,966,231.20 is: 14,949,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,575.40 : 27,863,363.10 = 9,966,231.20 : x
  2. Step 2: Convert to fraction form
    18,575,575.40/27,863,363.10 = 9,966,231.20/x
  3. Step 3: Cross multiply
    18,575,575.40x = 27,863,363.10 × 9,966,231.20
  4. Step 4: Simplify right side
    18,575,575.40x = 277,692,718,664,148.72
  5. Step 5: Solve for x
    x = 277,692,718,664,148.72/18,575,575.40
  6. Step 6: Final answer
    x = 14,949,346.80

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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.