Home / 20,065,002.30-27,689,844.89-10,897,645.05

Finding the Fourth Proportional to 20,065,002.30, 27,689,844.89 and 10,897,645.05

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Solution

The fourth proportional to 20,065,002.30, 27,689,844.89 and 10,897,645.05 is: 15,038,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,002.30 : 27,689,844.89 = 10,897,645.05 : x
  2. Step 2: Convert to fraction form
    20,065,002.30/27,689,844.89 = 10,897,645.05/x
  3. Step 3: Cross multiply
    20,065,002.30x = 27,689,844.89 × 10,897,645.05
  4. Step 4: Simplify right side
    20,065,002.30x = 301,754,101,046,288.12
  5. Step 5: Solve for x
    x = 301,754,101,046,288.12/20,065,002.30
  6. Step 6: Final answer
    x = 15,038,827.13

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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.