Home / 28,008,086.40-42,012,129.60-23,809,046.40

Finding the Fourth Proportional to 28,008,086.40, 42,012,129.60 and 23,809,046.40

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Solution

The fourth proportional to 28,008,086.40, 42,012,129.60 and 23,809,046.40 is: 35,713,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008,086.40 : 42,012,129.60 = 23,809,046.40 : x
  2. Step 2: Convert to fraction form
    28,008,086.40/42,012,129.60 = 23,809,046.40/x
  3. Step 3: Cross multiply
    28,008,086.40x = 42,012,129.60 × 23,809,046.40
  4. Step 4: Simplify right side
    28,008,086.40x = 1,000,268,743,009,213.38
  5. Step 5: Solve for x
    x = 1,000,268,743,009,213.38/28,008,086.40
  6. Step 6: Final answer
    x = 35,713,569.60

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Similar ratio
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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.