Home / 8,295,315.10-12,442,972.65-6,878,139.10

Finding the Fourth Proportional to 8,295,315.10, 12,442,972.65 and 6,878,139.10

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Solution

The fourth proportional to 8,295,315.10, 12,442,972.65 and 6,878,139.10 is: 10,317,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295,315.10 : 12,442,972.65 = 6,878,139.10 : x
  2. Step 2: Convert to fraction form
    8,295,315.10/12,442,972.65 = 6,878,139.10/x
  3. Step 3: Cross multiply
    8,295,315.10x = 12,442,972.65 × 6,878,139.10
  4. Step 4: Simplify right side
    8,295,315.10x = 85,584,496,704,195.61
  5. Step 5: Solve for x
    x = 85,584,496,704,195.61/8,295,315.10
  6. Step 6: Final answer
    x = 10,317,208.65

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Double scale
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Similar ratio
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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.