Home / 7,518,720.50-10,375,556.45-4,080,887.72

Finding the Fourth Proportional to 7,518,720.50, 10,375,556.45 and 4,080,887.72

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Solution

The fourth proportional to 7,518,720.50, 10,375,556.45 and 4,080,887.72 is: 5,631,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,720.50 : 10,375,556.45 = 4,080,887.72 : x
  2. Step 2: Convert to fraction form
    7,518,720.50/10,375,556.45 = 4,080,887.72/x
  3. Step 3: Cross multiply
    7,518,720.50x = 10,375,556.45 × 4,080,887.72
  4. Step 4: Simplify right side
    7,518,720.50x = 42,341,480,904,971.80
  5. Step 5: Solve for x
    x = 42,341,480,904,971.80/7,518,720.50
  6. Step 6: Final answer
    x = 5,631,474.25

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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.