Home / 28,969,315.70-43,453,973.55-25,778,045.30

Finding the Fourth Proportional to 28,969,315.70, 43,453,973.55 and 25,778,045.30

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Solution

The fourth proportional to 28,969,315.70, 43,453,973.55 and 25,778,045.30 is: 38,667,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,315.70 : 43,453,973.55 = 25,778,045.30 : x
  2. Step 2: Convert to fraction form
    28,969,315.70/43,453,973.55 = 25,778,045.30/x
  3. Step 3: Cross multiply
    28,969,315.70x = 43,453,973.55 × 25,778,045.30
  4. Step 4: Simplify right side
    28,969,315.70x = 1,120,158,498,636,901.75
  5. Step 5: Solve for x
    x = 1,120,158,498,636,901.75/28,969,315.70
  6. Step 6: Final answer
    x = 38,667,067.95

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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.