Home / 8,196,175.40-12,294,263.10-7,986,223.40

Finding the Fourth Proportional to 8,196,175.40, 12,294,263.10 and 7,986,223.40

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Solution

The fourth proportional to 8,196,175.40, 12,294,263.10 and 7,986,223.40 is: 11,979,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,175.40 : 12,294,263.10 = 7,986,223.40 : x
  2. Step 2: Convert to fraction form
    8,196,175.40/12,294,263.10 = 7,986,223.40/x
  3. Step 3: Cross multiply
    8,196,175.40x = 12,294,263.10 × 7,986,223.40
  4. Step 4: Simplify right side
    8,196,175.40x = 98,184,731,654,976.55
  5. Step 5: Solve for x
    x = 98,184,731,654,976.55/8,196,175.40
  6. Step 6: Final answer
    x = 11,979,335.10

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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.