Home / 8,620,970.74-12,930,616.44-3,503,707.45

Finding the Fourth Proportional to 8,620,970.74, 12,930,616.44 and 3,503,707.45

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Solution

The fourth proportional to 8,620,970.74, 12,930,616.44 and 3,503,707.45 is: 5,255,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,970.74 : 12,930,616.44 = 3,503,707.45 : x
  2. Step 2: Convert to fraction form
    8,620,970.74/12,930,616.44 = 3,503,707.45/x
  3. Step 3: Cross multiply
    8,620,970.74x = 12,930,616.44 × 3,503,707.45
  4. Step 4: Simplify right side
    8,620,970.74x = 45,305,097,121,593.93
  5. Step 5: Solve for x
    x = 45,305,097,121,593.93/8,620,970.74
  6. Step 6: Final answer
    x = 5,255,219.92

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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.