Home / 12,884,743.18-19,326,109.65-7,489,952.56

Finding the Fourth Proportional to 12,884,743.18, 19,326,109.65 and 7,489,952.56

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Solution

The fourth proportional to 12,884,743.18, 19,326,109.65 and 7,489,952.56 is: 11,234,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,743.18 : 19,326,109.65 = 7,489,952.56 : x
  2. Step 2: Convert to fraction form
    12,884,743.18/19,326,109.65 = 7,489,952.56/x
  3. Step 3: Cross multiply
    12,884,743.18x = 19,326,109.65 × 7,489,952.56
  4. Step 4: Simplify right side
    12,884,743.18x = 144,751,644,447,858.19
  5. Step 5: Solve for x
    x = 144,751,644,447,858.19/12,884,743.18
  6. Step 6: Final answer
    x = 11,234,344.56

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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.