Home / 21,384,920.40-32,077,380.60-6,240,382.80

Finding the Fourth Proportional to 21,384,920.40, 32,077,380.60 and 6,240,382.80

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Solution

The fourth proportional to 21,384,920.40, 32,077,380.60 and 6,240,382.80 is: 9,360,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,920.40 : 32,077,380.60 = 6,240,382.80 : x
  2. Step 2: Convert to fraction form
    21,384,920.40/32,077,380.60 = 6,240,382.80/x
  3. Step 3: Cross multiply
    21,384,920.40x = 32,077,380.60 × 6,240,382.80
  4. Step 4: Simplify right side
    21,384,920.40x = 200,175,134,165,293.69
  5. Step 5: Solve for x
    x = 200,175,134,165,293.69/21,384,920.40
  6. Step 6: Final answer
    x = 9,360,574.20

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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.