Home / 6,384,013.60-9,576,020.40-2,124,320.80

Finding the Fourth Proportional to 6,384,013.60, 9,576,020.40 and 2,124,320.80

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Solution

The fourth proportional to 6,384,013.60, 9,576,020.40 and 2,124,320.80 is: 3,186,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,013.60 : 9,576,020.40 = 2,124,320.80 : x
  2. Step 2: Convert to fraction form
    6,384,013.60/9,576,020.40 = 2,124,320.80/x
  3. Step 3: Cross multiply
    6,384,013.60x = 9,576,020.40 × 2,124,320.80
  4. Step 4: Simplify right side
    6,384,013.60x = 20,342,539,316,944.32
  5. Step 5: Solve for x
    x = 20,342,539,316,944.32/6,384,013.60
  6. Step 6: Final answer
    x = 3,186,481.20

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1.5x scale

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.