Home / 28,488,001.80-42,730,965.90-11,444,046.60

Finding the Fourth Proportional to 28,488,001.80, 42,730,965.90 and 11,444,046.60

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Solution

The fourth proportional to 28,488,001.80, 42,730,965.90 and 11,444,046.60 is: 17,165,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,001.80 : 42,730,965.90 = 11,444,046.60 : x
  2. Step 2: Convert to fraction form
    28,488,001.80/42,730,965.90 = 11,444,046.60/x
  3. Step 3: Cross multiply
    28,488,001.80x = 42,730,965.90 × 11,444,046.60
  4. Step 4: Simplify right side
    28,488,001.80x = 489,015,165,022,610.94
  5. Step 5: Solve for x
    x = 489,015,165,022,610.94/28,488,001.80
  6. Step 6: Final answer
    x = 17,165,653.40

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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.