Home / 42,203,013.73-63,303,339.61-13,450,874.65

Finding the Fourth Proportional to 42,203,013.73, 63,303,339.61 and 13,450,874.65

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Solution

The fourth proportional to 42,203,013.73, 63,303,339.61 and 13,450,874.65 is: 20,175,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,013.73 : 63,303,339.61 = 13,450,874.65 : x
  2. Step 2: Convert to fraction form
    42,203,013.73/63,303,339.61 = 13,450,874.65/x
  3. Step 3: Cross multiply
    42,203,013.73x = 63,303,339.61 × 13,450,874.65
  4. Step 4: Simplify right side
    42,203,013.73x = 851,485,285,879,045.12
  5. Step 5: Solve for x
    x = 851,485,285,879,045.12/42,203,013.73
  6. Step 6: Final answer
    x = 20,175,935.57

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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.