Home / 13,634,481.76-18,815,978.74-7,523,303.92

Finding the Fourth Proportional to 13,634,481.76, 18,815,978.74 and 7,523,303.92

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Solution

The fourth proportional to 13,634,481.76, 18,815,978.74 and 7,523,303.92 is: 10,382,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,481.76 : 18,815,978.74 = 7,523,303.92 : x
  2. Step 2: Convert to fraction form
    13,634,481.76/18,815,978.74 = 7,523,303.92/x
  3. Step 3: Cross multiply
    13,634,481.76x = 18,815,978.74 × 7,523,303.92
  4. Step 4: Simplify right side
    13,634,481.76x = 141,558,326,613,278.66
  5. Step 5: Solve for x
    x = 141,558,326,613,278.66/13,634,481.76
  6. Step 6: Final answer
    x = 10,382,376.76

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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.