Home / 18,325,133.45-27,480,701.78-5,541,389.45

Finding the Fourth Proportional to 18,325,133.45, 27,480,701.78 and 5,541,389.45

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Solution

The fourth proportional to 18,325,133.45, 27,480,701.78 and 5,541,389.45 is: 8,309,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,133.45 : 27,480,701.78 = 5,541,389.45 : x
  2. Step 2: Convert to fraction form
    18,325,133.45/27,480,701.78 = 5,541,389.45/x
  3. Step 3: Cross multiply
    18,325,133.45x = 27,480,701.78 × 5,541,389.45
  4. Step 4: Simplify right side
    18,325,133.45x = 152,281,270,894,581.28
  5. Step 5: Solve for x
    x = 152,281,270,894,581.28/18,325,133.45
  6. Step 6: Final answer
    x = 8,309,967.91

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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.