Home / 28,084,657.80-42,126,986.70-11,045,886.60

Finding the Fourth Proportional to 28,084,657.80, 42,126,986.70 and 11,045,886.60

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Solution

The fourth proportional to 28,084,657.80, 42,126,986.70 and 11,045,886.60 is: 16,568,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,657.80 : 42,126,986.70 = 11,045,886.60 : x
  2. Step 2: Convert to fraction form
    28,084,657.80/42,126,986.70 = 11,045,886.60/x
  3. Step 3: Cross multiply
    28,084,657.80x = 42,126,986.70 × 11,045,886.60
  4. Step 4: Simplify right side
    28,084,657.80x = 465,329,917,887,908.25
  5. Step 5: Solve for x
    x = 465,329,917,887,908.25/28,084,657.80
  6. Step 6: Final answer
    x = 16,568,829.90

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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.