Home / 19,763,387.90-27,270,221.87-12,416,020.46

Finding the Fourth Proportional to 19,763,387.90, 27,270,221.87 and 12,416,020.46

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Solution

The fourth proportional to 19,763,387.90, 27,270,221.87 and 12,416,020.46 is: 17,132,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763,387.90 : 27,270,221.87 = 12,416,020.46 : x
  2. Step 2: Convert to fraction form
    19,763,387.90/27,270,221.87 = 12,416,020.46/x
  3. Step 3: Cross multiply
    19,763,387.90x = 27,270,221.87 × 12,416,020.46
  4. Step 4: Simplify right side
    19,763,387.90x = 338,587,632,686,659.50
  5. Step 5: Solve for x
    x = 338,587,632,686,659.50/19,763,387.90
  6. Step 6: Final answer
    x = 17,132,064.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.