Home / 28,015,099.49-38,661,046.27-15,625,996.00

Finding the Fourth Proportional to 28,015,099.49, 38,661,046.27 and 15,625,996.00

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Solution

The fourth proportional to 28,015,099.49, 38,661,046.27 and 15,625,996.00 is: 21,563,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,099.49 : 38,661,046.27 = 15,625,996.00 : x
  2. Step 2: Convert to fraction form
    28,015,099.49/38,661,046.27 = 15,625,996.00/x
  3. Step 3: Cross multiply
    28,015,099.49x = 38,661,046.27 × 15,625,996.00
  4. Step 4: Simplify right side
    28,015,099.49x = 604,117,354,235,117.25
  5. Step 5: Solve for x
    x = 604,117,354,235,117.25/28,015,099.49
  6. Step 6: Final answer
    x = 21,563,991.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.