Home / 21,873,187.60-32,805,844.80-13,771,664.80

Finding the Fourth Proportional to 21,873,187.60, 32,805,844.80 and 13,771,664.80

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Solution

The fourth proportional to 21,873,187.60, 32,805,844.80 and 13,771,664.80 is: 20,655,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,187.60 : 32,805,844.80 = 13,771,664.80 : x
  2. Step 2: Convert to fraction form
    21,873,187.60/32,805,844.80 = 13,771,664.80/x
  3. Step 3: Cross multiply
    21,873,187.60x = 32,805,844.80 × 13,771,664.80
  4. Step 4: Simplify right side
    21,873,187.60x = 451,791,098,066,423.06
  5. Step 5: Solve for x
    x = 451,791,098,066,423.06/21,873,187.60
  6. Step 6: Final answer
    x = 20,655,018.66

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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.