Home / 21,421,949.72-32,132,854.49-7,775,077.91

Finding the Fourth Proportional to 21,421,949.72, 32,132,854.49 and 7,775,077.91

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Solution

The fourth proportional to 21,421,949.72, 32,132,854.49 and 7,775,077.91 is: 11,662,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421,949.72 : 32,132,854.49 = 7,775,077.91 : x
  2. Step 2: Convert to fraction form
    21,421,949.72/32,132,854.49 = 7,775,077.91/x
  3. Step 3: Cross multiply
    21,421,949.72x = 32,132,854.49 × 7,775,077.91
  4. Step 4: Simplify right side
    21,421,949.72x = 249,835,446,930,903.66
  5. Step 5: Solve for x
    x = 249,835,446,930,903.66/21,421,949.72
  6. Step 6: Final answer
    x = 11,662,591.42

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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.