Home / 15,408,139.40-23,112,209.10-11,601,009.80

Finding the Fourth Proportional to 15,408,139.40, 23,112,209.10 and 11,601,009.80

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Solution

The fourth proportional to 15,408,139.40, 23,112,209.10 and 11,601,009.80 is: 17,401,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,139.40 : 23,112,209.10 = 11,601,009.80 : x
  2. Step 2: Convert to fraction form
    15,408,139.40/23,112,209.10 = 11,601,009.80/x
  3. Step 3: Cross multiply
    15,408,139.40x = 23,112,209.10 × 11,601,009.80
  4. Step 4: Simplify right side
    15,408,139.40x = 268,124,964,268,749.22
  5. Step 5: Solve for x
    x = 268,124,964,268,749.22/15,408,139.40
  6. Step 6: Final answer
    x = 17,401,514.70

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Similar ratio
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1.5x scale

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.