Home / 8,171,215.20-12,256,822.80-2,491,430.40

Finding the Fourth Proportional to 8,171,215.20, 12,256,822.80 and 2,491,430.40

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Solution

The fourth proportional to 8,171,215.20, 12,256,822.80 and 2,491,430.40 is: 3,737,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,215.20 : 12,256,822.80 = 2,491,430.40 : x
  2. Step 2: Convert to fraction form
    8,171,215.20/12,256,822.80 = 2,491,430.40/x
  3. Step 3: Cross multiply
    8,171,215.20x = 12,256,822.80 × 2,491,430.40
  4. Step 4: Simplify right side
    8,171,215.20x = 30,537,020,931,333.12
  5. Step 5: Solve for x
    x = 30,537,020,931,333.12/8,171,215.20
  6. Step 6: Final answer
    x = 3,737,145.60

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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.