Home / 18,403,818.30-27,605,727.45-4,942,007.10

Finding the Fourth Proportional to 18,403,818.30, 27,605,727.45 and 4,942,007.10

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Solution

The fourth proportional to 18,403,818.30, 27,605,727.45 and 4,942,007.10 is: 7,413,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,818.30 : 27,605,727.45 = 4,942,007.10 : x
  2. Step 2: Convert to fraction form
    18,403,818.30/27,605,727.45 = 4,942,007.10/x
  3. Step 3: Cross multiply
    18,403,818.30x = 27,605,727.45 × 4,942,007.10
  4. Step 4: Simplify right side
    18,403,818.30x = 136,427,701,058,564.88
  5. Step 5: Solve for x
    x = 136,427,701,058,564.88/18,403,818.30
  6. Step 6: Final answer
    x = 7,413,010.65

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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.