Home / 15,977,963.80-23,966,945.70-13,320,758.80

Finding the Fourth Proportional to 15,977,963.80, 23,966,945.70 and 13,320,758.80

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Solution

The fourth proportional to 15,977,963.80, 23,966,945.70 and 13,320,758.80 is: 19,981,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,963.80 : 23,966,945.70 = 13,320,758.80 : x
  2. Step 2: Convert to fraction form
    15,977,963.80/23,966,945.70 = 13,320,758.80/x
  3. Step 3: Cross multiply
    15,977,963.80x = 23,966,945.70 × 13,320,758.80
  4. Step 4: Simplify right side
    15,977,963.80x = 319,257,902,842,397.19
  5. Step 5: Solve for x
    x = 319,257,902,842,397.19/15,977,963.80
  6. Step 6: Final answer
    x = 19,981,138.20

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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.