Home / 15,268,501.22-21,070,672.56-8,299,195.07

Finding the Fourth Proportional to 15,268,501.22, 21,070,672.56 and 8,299,195.07

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Solution

The fourth proportional to 15,268,501.22, 21,070,672.56 and 8,299,195.07 is: 11,452,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,501.22 : 21,070,672.56 = 8,299,195.07 : x
  2. Step 2: Convert to fraction form
    15,268,501.22/21,070,672.56 = 8,299,195.07/x
  3. Step 3: Cross multiply
    15,268,501.22x = 21,070,672.56 × 8,299,195.07
  4. Step 4: Simplify right side
    15,268,501.22x = 174,869,621,726,182.91
  5. Step 5: Solve for x
    x = 174,869,621,726,182.91/15,268,501.22
  6. Step 6: Final answer
    x = 11,452,965.77

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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.