Home / 15,398,469.20-23,097,703.80-8,207,224.40

Finding the Fourth Proportional to 15,398,469.20, 23,097,703.80 and 8,207,224.40

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Solution

The fourth proportional to 15,398,469.20, 23,097,703.80 and 8,207,224.40 is: 12,310,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,469.20 : 23,097,703.80 = 8,207,224.40 : x
  2. Step 2: Convert to fraction form
    15,398,469.20/23,097,703.80 = 8,207,224.40/x
  3. Step 3: Cross multiply
    15,398,469.20x = 23,097,703.80 × 8,207,224.40
  4. Step 4: Simplify right side
    15,398,469.20x = 189,568,038,211,332.75
  5. Step 5: Solve for x
    x = 189,568,038,211,332.75/15,398,469.20
  6. Step 6: Final answer
    x = 12,310,836.60

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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.