Home / 18,957,812.48-26,162,522.97-11,116,234.88

Finding the Fourth Proportional to 18,957,812.48, 26,162,522.97 and 11,116,234.88

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Solution

The fourth proportional to 18,957,812.48, 26,162,522.97 and 11,116,234.88 is: 15,340,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,812.48 : 26,162,522.97 = 11,116,234.88 : x
  2. Step 2: Convert to fraction form
    18,957,812.48/26,162,522.97 = 11,116,234.88/x
  3. Step 3: Cross multiply
    18,957,812.48x = 26,162,522.97 × 11,116,234.88
  4. Step 4: Simplify right side
    18,957,812.48x = 290,828,750,387,915.19
  5. Step 5: Solve for x
    x = 290,828,750,387,915.19/18,957,812.48
  6. Step 6: Final answer
    x = 15,340,839.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.