Home / 26,960,429.80-40,440,644.70-7,791,812.20

Finding the Fourth Proportional to 26,960,429.80, 40,440,644.70 and 7,791,812.20

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Solution

The fourth proportional to 26,960,429.80, 40,440,644.70 and 7,791,812.20 is: 11,687,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,960,429.80 : 40,440,644.70 = 7,791,812.20 : x
  2. Step 2: Convert to fraction form
    26,960,429.80/40,440,644.70 = 7,791,812.20/x
  3. Step 3: Cross multiply
    26,960,429.80x = 40,440,644.70 × 7,791,812.20
  4. Step 4: Simplify right side
    26,960,429.80x = 315,105,908,749,325.38
  5. Step 5: Solve for x
    x = 315,105,908,749,325.38/26,960,429.80
  6. Step 6: Final answer
    x = 11,687,718.30

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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.