Home / 21,947,387.04-30,287,066.94-12,157,801.56

Finding the Fourth Proportional to 21,947,387.04, 30,287,066.94 and 12,157,801.56

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Solution

The fourth proportional to 21,947,387.04, 30,287,066.94 and 12,157,801.56 is: 16,777,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,387.04 : 30,287,066.94 = 12,157,801.56 : x
  2. Step 2: Convert to fraction form
    21,947,387.04/30,287,066.94 = 12,157,801.56/x
  3. Step 3: Cross multiply
    21,947,387.04x = 30,287,066.94 × 12,157,801.56
  4. Step 4: Simplify right side
    21,947,387.04x = 368,224,149,690,956.44
  5. Step 5: Solve for x
    x = 368,224,149,690,956.44/21,947,387.04
  6. Step 6: Final answer
    x = 16,777,584.91

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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.