Home / 18,664,513.60-27,996,770.40-15,475,867.60

Finding the Fourth Proportional to 18,664,513.60, 27,996,770.40 and 15,475,867.60

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Solution

The fourth proportional to 18,664,513.60, 27,996,770.40 and 15,475,867.60 is: 23,213,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,513.60 : 27,996,770.40 = 15,475,867.60 : x
  2. Step 2: Convert to fraction form
    18,664,513.60/27,996,770.40 = 15,475,867.60/x
  3. Step 3: Cross multiply
    18,664,513.60x = 27,996,770.40 × 15,475,867.60
  4. Step 4: Simplify right side
    18,664,513.60x = 433,274,311,937,999
  5. Step 5: Solve for x
    x = 433,274,311,937,999/18,664,513.60
  6. Step 6: Final answer
    x = 23,213,801.40

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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.