Home / 15,853,070.97-21,877,776.48-15,126,657.55

Finding the Fourth Proportional to 15,853,070.97, 21,877,776.48 and 15,126,657.55

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Solution

The fourth proportional to 15,853,070.97, 21,877,776.48 and 15,126,657.55 is: 20,875,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,070.97 : 21,877,776.48 = 15,126,657.55 : x
  2. Step 2: Convert to fraction form
    15,853,070.97/21,877,776.48 = 15,126,657.55/x
  3. Step 3: Cross multiply
    15,853,070.97x = 21,877,776.48 × 15,126,657.55
  4. Step 4: Simplify right side
    15,853,070.97x = 330,937,632,768,404.44
  5. Step 5: Solve for x
    x = 330,937,632,768,404.44/15,853,070.97
  6. Step 6: Final answer
    x = 20,875,301.28

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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.