Home / 8,285,720.80-12,413,184.72-4,502,385.76

Finding the Fourth Proportional to 8,285,720.80, 12,413,184.72 and 4,502,385.76

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Solution

The fourth proportional to 8,285,720.80, 12,413,184.72 and 4,502,385.76 is: 6,745,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,720.80 : 12,413,184.72 = 4,502,385.76 : x
  2. Step 2: Convert to fraction form
    8,285,720.80/12,413,184.72 = 4,502,385.76/x
  3. Step 3: Cross multiply
    8,285,720.80x = 12,413,184.72 × 4,502,385.76
  4. Step 4: Simplify right side
    8,285,720.80x = 55,888,946,119,577.59
  5. Step 5: Solve for x
    x = 55,888,946,119,577.59/8,285,720.80
  6. Step 6: Final answer
    x = 6,745,212.33

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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.