Home / 28,560,678.96-39,404,003.76-18,253,348.32

Finding the Fourth Proportional to 28,560,678.96, 39,404,003.76 and 18,253,348.32

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Solution

The fourth proportional to 28,560,678.96, 39,404,003.76 and 18,253,348.32 is: 25,183,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,678.96 : 39,404,003.76 = 18,253,348.32 : x
  2. Step 2: Convert to fraction form
    28,560,678.96/39,404,003.76 = 18,253,348.32/x
  3. Step 3: Cross multiply
    28,560,678.96x = 39,404,003.76 × 18,253,348.32
  4. Step 4: Simplify right side
    28,560,678.96x = 719,255,005,833,869.62
  5. Step 5: Solve for x
    x = 719,255,005,833,869.62/28,560,678.96
  6. Step 6: Final answer
    x = 25,183,400.12

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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.