Home / 31,549,860-43,538,806.80-17,063,172

Finding the Fourth Proportional to 31,549,860, 43,538,806.80 and 17,063,172

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Solution

The fourth proportional to 31,549,860, 43,538,806.80 and 17,063,172 is: 23,547,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,860 : 43,538,806.80 = 17,063,172 : x
  2. Step 2: Convert to fraction form
    31,549,860/43,538,806.80 = 17,063,172/x
  3. Step 3: Cross multiply
    31,549,860x = 43,538,806.80 × 17,063,172
  4. Step 4: Simplify right side
    31,549,860x = 742,910,149,103,169.50
  5. Step 5: Solve for x
    x = 742,910,149,103,169.50/31,549,860
  6. Step 6: Final answer
    x = 23,547,177.36

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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.