Home / 18,301,799.96-25,256,531.91-9,929,169.30

Finding the Fourth Proportional to 18,301,799.96, 25,256,531.91 and 9,929,169.30

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Solution

The fourth proportional to 18,301,799.96, 25,256,531.91 and 9,929,169.30 is: 13,702,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301,799.96 : 25,256,531.91 = 9,929,169.30 : x
  2. Step 2: Convert to fraction form
    18,301,799.96/25,256,531.91 = 9,929,169.30/x
  3. Step 3: Cross multiply
    18,301,799.96x = 25,256,531.91 × 9,929,169.30
  4. Step 4: Simplify right side
    18,301,799.96x = 250,776,381,265,242.38
  5. Step 5: Solve for x
    x = 250,776,381,265,242.38/18,301,799.96
  6. Step 6: Final answer
    x = 13,702,279.66

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1.5x scale

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.