Home / 10,781,002.80-16,171,504.20-4,395,837.60

Finding the Fourth Proportional to 10,781,002.80, 16,171,504.20 and 4,395,837.60

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Solution

The fourth proportional to 10,781,002.80, 16,171,504.20 and 4,395,837.60 is: 6,593,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,002.80 : 16,171,504.20 = 4,395,837.60 : x
  2. Step 2: Convert to fraction form
    10,781,002.80/16,171,504.20 = 4,395,837.60/x
  3. Step 3: Cross multiply
    10,781,002.80x = 16,171,504.20 × 4,395,837.60
  4. Step 4: Simplify right side
    10,781,002.80x = 71,087,306,210,917.91
  5. Step 5: Solve for x
    x = 71,087,306,210,917.91/10,781,002.80
  6. Step 6: Final answer
    x = 6,593,756.40

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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.