Home / 7,716,280.15-10,647,487.88-4,230,701.70

Finding the Fourth Proportional to 7,716,280.15, 10,647,487.88 and 4,230,701.70

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Solution

The fourth proportional to 7,716,280.15, 10,647,487.88 and 4,230,701.70 is: 5,837,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,280.15 : 10,647,487.88 = 4,230,701.70 : x
  2. Step 2: Convert to fraction form
    7,716,280.15/10,647,487.88 = 4,230,701.70/x
  3. Step 3: Cross multiply
    7,716,280.15x = 10,647,487.88 × 4,230,701.70
  4. Step 4: Simplify right side
    7,716,280.15x = 45,046,345,085,222.16
  5. Step 5: Solve for x
    x = 45,046,345,085,222.16/7,716,280.15
  6. Step 6: Final answer
    x = 5,837,831.73

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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.