Home / 15,512,731.80-23,269,097.70-7,859,981.40

Finding the Fourth Proportional to 15,512,731.80, 23,269,097.70 and 7,859,981.40

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Solution

The fourth proportional to 15,512,731.80, 23,269,097.70 and 7,859,981.40 is: 11,789,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,731.80 : 23,269,097.70 = 7,859,981.40 : x
  2. Step 2: Convert to fraction form
    15,512,731.80/23,269,097.70 = 7,859,981.40/x
  3. Step 3: Cross multiply
    15,512,731.80x = 23,269,097.70 × 7,859,981.40
  4. Step 4: Simplify right side
    15,512,731.80x = 182,894,675,116,782.78
  5. Step 5: Solve for x
    x = 182,894,675,116,782.78/15,512,731.80
  6. Step 6: Final answer
    x = 11,789,972.10

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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.