Home / 18,397,319.70-27,595,979.55-6,280,464.90

Finding the Fourth Proportional to 18,397,319.70, 27,595,979.55 and 6,280,464.90

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Solution

The fourth proportional to 18,397,319.70, 27,595,979.55 and 6,280,464.90 is: 9,420,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,319.70 : 27,595,979.55 = 6,280,464.90 : x
  2. Step 2: Convert to fraction form
    18,397,319.70/27,595,979.55 = 6,280,464.90/x
  3. Step 3: Cross multiply
    18,397,319.70x = 27,595,979.55 × 6,280,464.90
  4. Step 4: Simplify right side
    18,397,319.70x = 173,315,580,944,892.81
  5. Step 5: Solve for x
    x = 173,315,580,944,892.81/18,397,319.70
  6. Step 6: Final answer
    x = 9,420,697.35

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1.5x scale

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.