Home / 18,789,603.45-28,147,713.03-8,927,631.88

Finding the Fourth Proportional to 18,789,603.45, 28,147,713.03 and 8,927,631.88

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Solution

The fourth proportional to 18,789,603.45, 28,147,713.03 and 8,927,631.88 is: 13,374,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,603.45 : 28,147,713.03 = 8,927,631.88 : x
  2. Step 2: Convert to fraction form
    18,789,603.45/28,147,713.03 = 8,927,631.88/x
  3. Step 3: Cross multiply
    18,789,603.45x = 28,147,713.03 × 8,927,631.88
  4. Step 4: Simplify right side
    18,789,603.45x = 251,292,420,125,350.12
  5. Step 5: Solve for x
    x = 251,292,420,125,350.12/18,789,603.45
  6. Step 6: Final answer
    x = 13,374,014.03

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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.