Home / 18,373,700.78-25,358,121.52-10,536,280.10

Finding the Fourth Proportional to 18,373,700.78, 25,358,121.52 and 10,536,280.10

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Solution

The fourth proportional to 18,373,700.78, 25,358,121.52 and 10,536,280.10 is: 14,541,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373,700.78 : 25,358,121.52 = 10,536,280.10 : x
  2. Step 2: Convert to fraction form
    18,373,700.78/25,358,121.52 = 10,536,280.10/x
  3. Step 3: Cross multiply
    18,373,700.78x = 25,358,121.52 × 10,536,280.10
  4. Step 4: Simplify right side
    18,373,700.78x = 267,180,271,144,557.75
  5. Step 5: Solve for x
    x = 267,180,271,144,557.75/18,373,700.78
  6. Step 6: Final answer
    x = 14,541,451.09

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Double scale
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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.