Home / 12,058,169.40-16,640,293.68-6,551,565.84

Finding the Fourth Proportional to 12,058,169.40, 16,640,293.68 and 6,551,565.84

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Solution

The fourth proportional to 12,058,169.40, 16,640,293.68 and 6,551,565.84 is: 9,041,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058,169.40 : 16,640,293.68 = 6,551,565.84 : x
  2. Step 2: Convert to fraction form
    12,058,169.40/16,640,293.68 = 6,551,565.84/x
  3. Step 3: Cross multiply
    12,058,169.40x = 16,640,293.68 × 6,551,565.84
  4. Step 4: Simplify right side
    12,058,169.40x = 109,019,979,641,455.89
  5. Step 5: Solve for x
    x = 109,019,979,641,455.89/12,058,169.40
  6. Step 6: Final answer
    x = 9,041,171.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.