Home / 20,833,748.64-28,750,569.12-11,541,922.56

Finding the Fourth Proportional to 20,833,748.64, 28,750,569.12 and 11,541,922.56

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Solution

The fourth proportional to 20,833,748.64, 28,750,569.12 and 11,541,922.56 is: 15,927,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,748.64 : 28,750,569.12 = 11,541,922.56 : x
  2. Step 2: Convert to fraction form
    20,833,748.64/28,750,569.12 = 11,541,922.56/x
  3. Step 3: Cross multiply
    20,833,748.64x = 28,750,569.12 × 11,541,922.56
  4. Step 4: Simplify right side
    20,833,748.64x = 331,836,842,338,967.38
  5. Step 5: Solve for x
    x = 331,836,842,338,967.38/20,833,748.64
  6. Step 6: Final answer
    x = 15,927,850.92

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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.