Home / 42,578,917.57-63,879,148.58-11,873,500.23

Finding the Fourth Proportional to 42,578,917.57, 63,879,148.58 and 11,873,500.23

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Solution

The fourth proportional to 42,578,917.57, 63,879,148.58 and 11,873,500.23 is: 17,813,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578,917.57 : 63,879,148.58 = 11,873,500.23 : x
  2. Step 2: Convert to fraction form
    42,578,917.57/63,879,148.58 = 11,873,500.23/x
  3. Step 3: Cross multiply
    42,578,917.57x = 63,879,148.58 × 11,873,500.23
  4. Step 4: Simplify right side
    42,578,917.57x = 758,469,085,537,013.50
  5. Step 5: Solve for x
    x = 758,469,085,537,013.50/42,578,917.57
  6. Step 6: Final answer
    x = 17,813,254.28

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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.