Home / 14,422,321.20-21,640,938.12-6,340,966.32

Finding the Fourth Proportional to 14,422,321.20, 21,640,938.12 and 6,340,966.32

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Solution

The fourth proportional to 14,422,321.20, 21,640,938.12 and 6,340,966.32 is: 9,514,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422,321.20 : 21,640,938.12 = 6,340,966.32 : x
  2. Step 2: Convert to fraction form
    14,422,321.20/21,640,938.12 = 6,340,966.32/x
  3. Step 3: Cross multiply
    14,422,321.20x = 21,640,938.12 × 6,340,966.32
  4. Step 4: Simplify right side
    14,422,321.20x = 137,224,459,752,124.12
  5. Step 5: Solve for x
    x = 137,224,459,752,124.12/14,422,321.20
  6. Step 6: Final answer
    x = 9,514,727.75

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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.