Home / 28,416,010.80-42,624,016.20-27,744,164.40

Finding the Fourth Proportional to 28,416,010.80, 42,624,016.20 and 27,744,164.40

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Solution

The fourth proportional to 28,416,010.80, 42,624,016.20 and 27,744,164.40 is: 41,616,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,010.80 : 42,624,016.20 = 27,744,164.40 : x
  2. Step 2: Convert to fraction form
    28,416,010.80/42,624,016.20 = 27,744,164.40/x
  3. Step 3: Cross multiply
    28,416,010.80x = 42,624,016.20 × 27,744,164.40
  4. Step 4: Simplify right side
    28,416,010.80x = 1,182,567,712,841,063.25
  5. Step 5: Solve for x
    x = 1,182,567,712,841,063.25/28,416,010.80
  6. Step 6: Final answer
    x = 41,616,246.60

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Similar ratio
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1.5x scale

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.