Home / 18,880,400.10-28,327,598.55-18,180,560.10

Finding the Fourth Proportional to 18,880,400.10, 28,327,598.55 and 18,180,560.10

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Solution

The fourth proportional to 18,880,400.10, 28,327,598.55 and 18,180,560.10 is: 27,277,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,400.10 : 28,327,598.55 = 18,180,560.10 : x
  2. Step 2: Convert to fraction form
    18,880,400.10/28,327,598.55 = 18,180,560.10/x
  3. Step 3: Cross multiply
    18,880,400.10x = 28,327,598.55 × 18,180,560.10
  4. Step 4: Simplify right side
    18,880,400.10x = 515,011,607,926,947.94
  5. Step 5: Solve for x
    x = 515,011,607,926,947.94/18,880,400.10
  6. Step 6: Final answer
    x = 27,277,579.14

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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.