Home / 25,229,568.80-37,868,278.88-15,615,866.72

Finding the Fourth Proportional to 25,229,568.80, 37,868,278.88 and 15,615,866.72

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Solution

The fourth proportional to 25,229,568.80, 37,868,278.88 and 15,615,866.72 is: 23,438,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229,568.80 : 37,868,278.88 = 15,615,866.72 : x
  2. Step 2: Convert to fraction form
    25,229,568.80/37,868,278.88 = 15,615,866.72/x
  3. Step 3: Cross multiply
    25,229,568.80x = 37,868,278.88 × 15,615,866.72
  4. Step 4: Simplify right side
    25,229,568.80x = 591,345,995,905,871
  5. Step 5: Solve for x
    x = 591,345,995,905,871/25,229,568.80
  6. Step 6: Final answer
    x = 23,438,608.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.