Home / 28,560,434.46-39,403,666.44-18,253,103.46

Finding the Fourth Proportional to 28,560,434.46, 39,403,666.44 and 18,253,103.46

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Solution

The fourth proportional to 28,560,434.46, 39,403,666.44 and 18,253,103.46 is: 25,183,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,434.46 : 39,403,666.44 = 18,253,103.46 : x
  2. Step 2: Convert to fraction form
    28,560,434.46/39,403,666.44 = 18,253,103.46/x
  3. Step 3: Cross multiply
    28,560,434.46x = 39,403,666.44 × 18,253,103.46
  4. Step 4: Simplify right side
    28,560,434.46x = 719,239,200,232,649.88
  5. Step 5: Solve for x
    x = 719,239,200,232,649.88/28,560,434.46
  6. Step 6: Final answer
    x = 25,183,062.30

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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.