Home / 8,622,746.50-12,928,910-3,436,153.84

Finding the Fourth Proportional to 8,622,746.50, 12,928,910 and 3,436,153.84

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Solution

The fourth proportional to 8,622,746.50, 12,928,910 and 3,436,153.84 is: 5,152,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,746.50 : 12,928,910 = 3,436,153.84 : x
  2. Step 2: Convert to fraction form
    8,622,746.50/12,928,910 = 3,436,153.84/x
  3. Step 3: Cross multiply
    8,622,746.50x = 12,928,910 × 3,436,153.84
  4. Step 4: Simplify right side
    8,622,746.50x = 44,425,723,743,514.40
  5. Step 5: Solve for x
    x = 44,425,723,743,514.40/8,622,746.50
  6. Step 6: Final answer
    x = 5,152,154.68

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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.