Home / 26,081,981.40-39,122,972.10-21,861,946.20

Finding the Fourth Proportional to 26,081,981.40, 39,122,972.10 and 21,861,946.20

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Solution

The fourth proportional to 26,081,981.40, 39,122,972.10 and 21,861,946.20 is: 32,792,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081,981.40 : 39,122,972.10 = 21,861,946.20 : x
  2. Step 2: Convert to fraction form
    26,081,981.40/39,122,972.10 = 21,861,946.20/x
  3. Step 3: Cross multiply
    26,081,981.40x = 39,122,972.10 × 21,861,946.20
  4. Step 4: Simplify right side
    26,081,981.40x = 855,304,311,234,301
  5. Step 5: Solve for x
    x = 855,304,311,234,301/26,081,981.40
  6. Step 6: Final answer
    x = 32,792,919.30

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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.