Home / 8,781,605.80-13,180,703.10-5,422,373.80

Finding the Fourth Proportional to 8,781,605.80, 13,180,703.10 and 5,422,373.80

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Solution

The fourth proportional to 8,781,605.80, 13,180,703.10 and 5,422,373.80 is: 8,138,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,605.80 : 13,180,703.10 = 5,422,373.80 : x
  2. Step 2: Convert to fraction form
    8,781,605.80/13,180,703.10 = 5,422,373.80/x
  3. Step 3: Cross multiply
    8,781,605.80x = 13,180,703.10 × 5,422,373.80
  4. Step 4: Simplify right side
    8,781,605.80x = 71,470,699,155,018.78
  5. Step 5: Solve for x
    x = 71,470,699,155,018.78/8,781,605.80
  6. Step 6: Final answer
    x = 8,138,682.24

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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.