Home / 18,418,171.89-27,646,419.75-13,565,957.01

Finding the Fourth Proportional to 18,418,171.89, 27,646,419.75 and 13,565,957.01

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Solution

The fourth proportional to 18,418,171.89, 27,646,419.75 and 13,565,957.01 is: 20,363,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,171.89 : 27,646,419.75 = 13,565,957.01 : x
  2. Step 2: Convert to fraction form
    18,418,171.89/27,646,419.75 = 13,565,957.01/x
  3. Step 3: Cross multiply
    18,418,171.89x = 27,646,419.75 × 13,565,957.01
  4. Step 4: Simplify right side
    18,418,171.89x = 375,050,141,808,914.94
  5. Step 5: Solve for x
    x = 375,050,141,808,914.94/18,418,171.89
  6. Step 6: Final answer
    x = 20,363,049.28

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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.