Home / 18,427,427.10-27,663,885.45-11,603,987.10

Finding the Fourth Proportional to 18,427,427.10, 27,663,885.45 and 11,603,987.10

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Solution

The fourth proportional to 18,427,427.10, 27,663,885.45 and 11,603,987.10 is: 17,420,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427,427.10 : 27,663,885.45 = 11,603,987.10 : x
  2. Step 2: Convert to fraction form
    18,427,427.10/27,663,885.45 = 11,603,987.10/x
  3. Step 3: Cross multiply
    18,427,427.10x = 27,663,885.45 × 11,603,987.10
  4. Step 4: Simplify right side
    18,427,427.10x = 321,011,369,897,677.69
  5. Step 5: Solve for x
    x = 321,011,369,897,677.69/18,427,427.10
  6. Step 6: Final answer
    x = 17,420,303.34

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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.