Home / 8,038,284.20-12,071,423.10-4,259,148.20

Finding the Fourth Proportional to 8,038,284.20, 12,071,423.10 and 4,259,148.20

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Solution

The fourth proportional to 8,038,284.20, 12,071,423.10 and 4,259,148.20 is: 6,396,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,284.20 : 12,071,423.10 = 4,259,148.20 : x
  2. Step 2: Convert to fraction form
    8,038,284.20/12,071,423.10 = 4,259,148.20/x
  3. Step 3: Cross multiply
    8,038,284.20x = 12,071,423.10 × 4,259,148.20
  4. Step 4: Simplify right side
    8,038,284.20x = 51,413,979,967,803.42
  5. Step 5: Solve for x
    x = 51,413,979,967,803.42/8,038,284.20
  6. Step 6: Final answer
    x = 6,396,138.61

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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.