Home / 28,383,237.20-42,574,855.80-19,425,285.20

Finding the Fourth Proportional to 28,383,237.20, 42,574,855.80 and 19,425,285.20

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Solution

The fourth proportional to 28,383,237.20, 42,574,855.80 and 19,425,285.20 is: 29,137,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,237.20 : 42,574,855.80 = 19,425,285.20 : x
  2. Step 2: Convert to fraction form
    28,383,237.20/42,574,855.80 = 19,425,285.20/x
  3. Step 3: Cross multiply
    28,383,237.20x = 42,574,855.80 × 19,425,285.20
  4. Step 4: Simplify right side
    28,383,237.20x = 827,028,716,263,874.12
  5. Step 5: Solve for x
    x = 827,028,716,263,874.12/28,383,237.20
  6. Step 6: Final answer
    x = 29,137,927.80

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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.