Home / 19,338,514.93-29,011,077.20-7,972,750.45

Finding the Fourth Proportional to 19,338,514.93, 29,011,077.20 and 7,972,750.45

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Solution

The fourth proportional to 19,338,514.93, 29,011,077.20 and 7,972,750.45 is: 11,960,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,514.93 : 29,011,077.20 = 7,972,750.45 : x
  2. Step 2: Convert to fraction form
    19,338,514.93/29,011,077.20 = 7,972,750.45/x
  3. Step 3: Cross multiply
    19,338,514.93x = 29,011,077.20 × 7,972,750.45
  4. Step 4: Simplify right side
    19,338,514.93x = 231,298,078,801,284.75
  5. Step 5: Solve for x
    x = 231,298,078,801,284.75/19,338,514.93
  6. Step 6: Final answer
    x = 11,960,488.16

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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.