Home / 18,575,403.90-27,863,105.85-9,966,059.70

Finding the Fourth Proportional to 18,575,403.90, 27,863,105.85 and 9,966,059.70

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Solution

The fourth proportional to 18,575,403.90, 27,863,105.85 and 9,966,059.70 is: 14,949,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,403.90 : 27,863,105.85 = 9,966,059.70 : x
  2. Step 2: Convert to fraction form
    18,575,403.90/27,863,105.85 = 9,966,059.70/x
  3. Step 3: Cross multiply
    18,575,403.90x = 27,863,105.85 × 9,966,059.70
  4. Step 4: Simplify right side
    18,575,403.90x = 277,685,376,328,519.25
  5. Step 5: Solve for x
    x = 277,685,376,328,519.25/18,575,403.90
  6. Step 6: Final answer
    x = 14,949,089.55

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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.