Home / 19,872,260.55-27,426,623.90-11,171,149.83

Finding the Fourth Proportional to 19,872,260.55, 27,426,623.90 and 11,171,149.83

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Solution

The fourth proportional to 19,872,260.55, 27,426,623.90 and 11,171,149.83 is: 15,417,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,260.55 : 27,426,623.90 = 11,171,149.83 : x
  2. Step 2: Convert to fraction form
    19,872,260.55/27,426,623.90 = 11,171,149.83/x
  3. Step 3: Cross multiply
    19,872,260.55x = 27,426,623.90 × 11,171,149.83
  4. Step 4: Simplify right side
    19,872,260.55x = 306,386,924,862,103.19
  5. Step 5: Solve for x
    x = 306,386,924,862,103.19/19,872,260.55
  6. Step 6: Final answer
    x = 15,417,819.43

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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.