Home / 12,754,937.70-19,132,406.55-7,971,968.70

Finding the Fourth Proportional to 12,754,937.70, 19,132,406.55 and 7,971,968.70

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Solution

The fourth proportional to 12,754,937.70, 19,132,406.55 and 7,971,968.70 is: 11,957,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,937.70 : 19,132,406.55 = 7,971,968.70 : x
  2. Step 2: Convert to fraction form
    12,754,937.70/19,132,406.55 = 7,971,968.70/x
  3. Step 3: Cross multiply
    12,754,937.70x = 19,132,406.55 × 7,971,968.70
  4. Step 4: Simplify right side
    12,754,937.70x = 152,522,946,172,275
  5. Step 5: Solve for x
    x = 152,522,946,172,275/12,754,937.70
  6. Step 6: Final answer
    x = 11,957,953.05

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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.