Home / 14,300,617.90-21,422,206.10-6,613,487.86

Finding the Fourth Proportional to 14,300,617.90, 21,422,206.10 and 6,613,487.86

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Solution

The fourth proportional to 14,300,617.90, 21,422,206.10 and 6,613,487.86 is: 9,906,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300,617.90 : 21,422,206.10 = 6,613,487.86 : x
  2. Step 2: Convert to fraction form
    14,300,617.90/21,422,206.10 = 6,613,487.86/x
  3. Step 3: Cross multiply
    14,300,617.90x = 21,422,206.10 × 6,613,487.86
  4. Step 4: Simplify right side
    14,300,617.90x = 141,675,499,976,767.97
  5. Step 5: Solve for x
    x = 141,675,499,976,767.97/14,300,617.90
  6. Step 6: Final answer
    x = 9,906,949.54

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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.