Home / 12,464,058.57-18,698,511.77-4,787,141.82

Finding the Fourth Proportional to 12,464,058.57, 18,698,511.77 and 4,787,141.82

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Solution

The fourth proportional to 12,464,058.57, 18,698,511.77 and 4,787,141.82 is: 7,181,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,058.57 : 18,698,511.77 = 4,787,141.82 : x
  2. Step 2: Convert to fraction form
    12,464,058.57/18,698,511.77 = 4,787,141.82/x
  3. Step 3: Cross multiply
    12,464,058.57x = 18,698,511.77 × 4,787,141.82
  4. Step 4: Simplify right side
    12,464,058.57x = 89,512,427,641,993.52
  5. Step 5: Solve for x
    x = 89,512,427,641,993.52/12,464,058.57
  6. Step 6: Final answer
    x = 7,181,643.69

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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.