Home / 13,210,148.64-18,229,785.72-7,706,723.52

Finding the Fourth Proportional to 13,210,148.64, 18,229,785.72 and 7,706,723.52

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Solution

The fourth proportional to 13,210,148.64, 18,229,785.72 and 7,706,723.52 is: 10,635,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,148.64 : 18,229,785.72 = 7,706,723.52 : x
  2. Step 2: Convert to fraction form
    13,210,148.64/18,229,785.72 = 7,706,723.52/x
  3. Step 3: Cross multiply
    13,210,148.64x = 18,229,785.72 × 7,706,723.52
  4. Step 4: Simplify right side
    13,210,148.64x = 140,491,918,372,884.11
  5. Step 5: Solve for x
    x = 140,491,918,372,884.11/13,210,148.64
  6. Step 6: Final answer
    x = 10,635,150.46

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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.