Home / 14,433,213.90-19,917,834.02-8,631,995.52

Finding the Fourth Proportional to 14,433,213.90, 19,917,834.02 and 8,631,995.52

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Solution

The fourth proportional to 14,433,213.90, 19,917,834.02 and 8,631,995.52 is: 11,912,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433,213.90 : 19,917,834.02 = 8,631,995.52 : x
  2. Step 2: Convert to fraction form
    14,433,213.90/19,917,834.02 = 8,631,995.52/x
  3. Step 3: Cross multiply
    14,433,213.90x = 19,917,834.02 × 8,631,995.52
  4. Step 4: Simplify right side
    14,433,213.90x = 171,930,654,028,743.56
  5. Step 5: Solve for x
    x = 171,930,654,028,743.56/14,433,213.90
  6. Step 6: Final answer
    x = 11,912,153.12

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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.