Home / 12,464,058.75-18,698,512.05-4,787,142

Finding the Fourth Proportional to 12,464,058.75, 18,698,512.05 and 4,787,142

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Solution

The fourth proportional to 12,464,058.75, 18,698,512.05 and 4,787,142 is: 7,181,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,058.75 : 18,698,512.05 = 4,787,142 : x
  2. Step 2: Convert to fraction form
    12,464,058.75/18,698,512.05 = 4,787,142/x
  3. Step 3: Cross multiply
    12,464,058.75x = 18,698,512.05 × 4,787,142
  4. Step 4: Simplify right side
    12,464,058.75x = 89,512,432,372,061.11
  5. Step 5: Solve for x
    x = 89,512,432,372,061.11/12,464,058.75
  6. Step 6: Final answer
    x = 7,181,643.97

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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.