Home / 6,480,037.20-9,720,055.80-6,340,069.20

Finding the Fourth Proportional to 6,480,037.20, 9,720,055.80 and 6,340,069.20

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Solution

The fourth proportional to 6,480,037.20, 9,720,055.80 and 6,340,069.20 is: 9,510,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,037.20 : 9,720,055.80 = 6,340,069.20 : x
  2. Step 2: Convert to fraction form
    6,480,037.20/9,720,055.80 = 6,340,069.20/x
  3. Step 3: Cross multiply
    6,480,037.20x = 9,720,055.80 × 6,340,069.20
  4. Step 4: Simplify right side
    6,480,037.20x = 61,625,826,399,861.37
  5. Step 5: Solve for x
    x = 61,625,826,399,861.37/6,480,037.20
  6. Step 6: Final answer
    x = 9,510,103.80

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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.