Home / 28,585,293.56-39,447,619.22-15,532,592.30

Finding the Fourth Proportional to 28,585,293.56, 39,447,619.22 and 15,532,592.30

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Solution

The fourth proportional to 28,585,293.56, 39,447,619.22 and 15,532,592.30 is: 21,434,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,293.56 : 39,447,619.22 = 15,532,592.30 : x
  2. Step 2: Convert to fraction form
    28,585,293.56/39,447,619.22 = 15,532,592.30/x
  3. Step 3: Cross multiply
    28,585,293.56x = 39,447,619.22 × 15,532,592.30
  4. Step 4: Simplify right side
    28,585,293.56x = 612,723,786,275,003
  5. Step 5: Solve for x
    x = 612,723,786,275,003/28,585,293.56
  6. Step 6: Final answer
    x = 21,434,930.70

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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.