Home / 9,072,129.60-13,594,197.60-7,868,404.80

Finding the Fourth Proportional to 9,072,129.60, 13,594,197.60 and 7,868,404.80

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Solution

The fourth proportional to 9,072,129.60, 13,594,197.60 and 7,868,404.80 is: 11,790,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,129.60 : 13,594,197.60 = 7,868,404.80 : x
  2. Step 2: Convert to fraction form
    9,072,129.60/13,594,197.60 = 7,868,404.80/x
  3. Step 3: Cross multiply
    9,072,129.60x = 13,594,197.60 × 7,868,404.80
  4. Step 4: Simplify right side
    9,072,129.60x = 106,964,649,647,988.47
  5. Step 5: Solve for x
    x = 106,964,649,647,988.47/9,072,129.60
  6. Step 6: Final answer
    x = 11,790,467.55

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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.