Home / 18,954,648.10-28,431,972.15-18,210,630.70

Finding the Fourth Proportional to 18,954,648.10, 28,431,972.15 and 18,210,630.70

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Solution

The fourth proportional to 18,954,648.10, 28,431,972.15 and 18,210,630.70 is: 27,315,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,648.10 : 28,431,972.15 = 18,210,630.70 : x
  2. Step 2: Convert to fraction form
    18,954,648.10/28,431,972.15 = 18,210,630.70/x
  3. Step 3: Cross multiply
    18,954,648.10x = 28,431,972.15 × 18,210,630.70
  4. Step 4: Simplify right side
    18,954,648.10x = 517,764,144,896,334.94
  5. Step 5: Solve for x
    x = 517,764,144,896,334.94/18,954,648.10
  6. Step 6: Final answer
    x = 27,315,946.05

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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.