Home / 13,453,884.56-18,566,964.38-7,575,540.20

Finding the Fourth Proportional to 13,453,884.56, 18,566,964.38 and 7,575,540.20

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Solution

The fourth proportional to 13,453,884.56, 18,566,964.38 and 7,575,540.20 is: 10,454,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,884.56 : 18,566,964.38 = 7,575,540.20 : x
  2. Step 2: Convert to fraction form
    13,453,884.56/18,566,964.38 = 7,575,540.20/x
  3. Step 3: Cross multiply
    13,453,884.56x = 18,566,964.38 × 7,575,540.20
  4. Step 4: Simplify right side
    13,453,884.56x = 140,654,785,152,827.39
  5. Step 5: Solve for x
    x = 140,654,785,152,827.39/13,453,884.56
  6. Step 6: Final answer
    x = 10,454,585.41

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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.