Home / 8,540,491.40-12,810,737.10-3,495,422.60

Finding the Fourth Proportional to 8,540,491.40, 12,810,737.10 and 3,495,422.60

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Solution

The fourth proportional to 8,540,491.40, 12,810,737.10 and 3,495,422.60 is: 5,243,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,491.40 : 12,810,737.10 = 3,495,422.60 : x
  2. Step 2: Convert to fraction form
    8,540,491.40/12,810,737.10 = 3,495,422.60/x
  3. Step 3: Cross multiply
    8,540,491.40x = 12,810,737.10 × 3,495,422.60
  4. Step 4: Simplify right side
    8,540,491.40x = 44,778,939,981,998.46
  5. Step 5: Solve for x
    x = 44,778,939,981,998.46/8,540,491.40
  6. Step 6: Final answer
    x = 5,243,133.90

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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.