Home / 5,385,004.20-8,077,506.30-5,172,427.80

Finding the Fourth Proportional to 5,385,004.20, 8,077,506.30 and 5,172,427.80

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Solution

The fourth proportional to 5,385,004.20, 8,077,506.30 and 5,172,427.80 is: 7,758,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,004.20 : 8,077,506.30 = 5,172,427.80 : x
  2. Step 2: Convert to fraction form
    5,385,004.20/8,077,506.30 = 5,172,427.80/x
  3. Step 3: Cross multiply
    5,385,004.20x = 8,077,506.30 × 5,172,427.80
  4. Step 4: Simplify right side
    5,385,004.20x = 41,780,318,140,795.14
  5. Step 5: Solve for x
    x = 41,780,318,140,795.14/5,385,004.20
  6. Step 6: Final answer
    x = 7,758,641.70

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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.