Home / 8,258,385.07-12,380,756.90-3,644,085.71

Finding the Fourth Proportional to 8,258,385.07, 12,380,756.90 and 3,644,085.71

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Solution

The fourth proportional to 8,258,385.07, 12,380,756.90 and 3,644,085.71 is: 5,463,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,385.07 : 12,380,756.90 = 3,644,085.71 : x
  2. Step 2: Convert to fraction form
    8,258,385.07/12,380,756.90 = 3,644,085.71/x
  3. Step 3: Cross multiply
    8,258,385.07x = 12,380,756.90 × 3,644,085.71
  4. Step 4: Simplify right side
    8,258,385.07x = 45,116,539,331,503.34
  5. Step 5: Solve for x
    x = 45,116,539,331,503.34/8,258,385.07
  6. Step 6: Final answer
    x = 5,463,118.87

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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.