Home / 20,560,819.68-28,350,984.96-14,037,873.48

Finding the Fourth Proportional to 20,560,819.68, 28,350,984.96 and 14,037,873.48

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Solution

The fourth proportional to 20,560,819.68, 28,350,984.96 and 14,037,873.48 is: 19,356,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560,819.68 : 28,350,984.96 = 14,037,873.48 : x
  2. Step 2: Convert to fraction form
    20,560,819.68/28,350,984.96 = 14,037,873.48/x
  3. Step 3: Cross multiply
    20,560,819.68x = 28,350,984.96 × 14,037,873.48
  4. Step 4: Simplify right side
    20,560,819.68x = 397,987,539,901,862.88
  5. Step 5: Solve for x
    x = 397,987,539,901,862.88/20,560,819.68
  6. Step 6: Final answer
    x = 19,356,598.91

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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.