Home / 28,383,237.70-42,574,856.55-19,425,285.70

Finding the Fourth Proportional to 28,383,237.70, 42,574,856.55 and 19,425,285.70

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Solution

The fourth proportional to 28,383,237.70, 42,574,856.55 and 19,425,285.70 is: 29,137,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,237.70 : 42,574,856.55 = 19,425,285.70 : x
  2. Step 2: Convert to fraction form
    28,383,237.70/42,574,856.55 = 19,425,285.70/x
  3. Step 3: Cross multiply
    28,383,237.70x = 42,574,856.55 × 19,425,285.70
  4. Step 4: Simplify right side
    28,383,237.70x = 827,028,752,120,266.25
  5. Step 5: Solve for x
    x = 827,028,752,120,266.25/28,383,237.70
  6. Step 6: Final answer
    x = 29,137,928.55

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Similar ratio
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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.