Home / 12,098,631.60-18,147,947.40-8,508,452.40

Finding the Fourth Proportional to 12,098,631.60, 18,147,947.40 and 8,508,452.40

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Solution

The fourth proportional to 12,098,631.60, 18,147,947.40 and 8,508,452.40 is: 12,762,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,631.60 : 18,147,947.40 = 8,508,452.40 : x
  2. Step 2: Convert to fraction form
    12,098,631.60/18,147,947.40 = 8,508,452.40/x
  3. Step 3: Cross multiply
    12,098,631.60x = 18,147,947.40 × 8,508,452.40
  4. Step 4: Simplify right side
    12,098,631.60x = 154,410,946,610,603.75
  5. Step 5: Solve for x
    x = 154,410,946,610,603.75/12,098,631.60
  6. Step 6: Final answer
    x = 12,762,678.60

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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.