Home / 12,884,742.18-19,326,108.15-7,489,951.56

Finding the Fourth Proportional to 12,884,742.18, 19,326,108.15 and 7,489,951.56

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Solution

The fourth proportional to 12,884,742.18, 19,326,108.15 and 7,489,951.56 is: 11,234,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,742.18 : 19,326,108.15 = 7,489,951.56 : x
  2. Step 2: Convert to fraction form
    12,884,742.18/19,326,108.15 = 7,489,951.56/x
  3. Step 3: Cross multiply
    12,884,742.18x = 19,326,108.15 × 7,489,951.56
  4. Step 4: Simplify right side
    12,884,742.18x = 144,751,613,886,821.19
  5. Step 5: Solve for x
    x = 144,751,613,886,821.19/12,884,742.18
  6. Step 6: Final answer
    x = 11,234,343.06

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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.