Home / 12,886,045.30-19,328,630.55-3,301,517.80

Finding the Fourth Proportional to 12,886,045.30, 19,328,630.55 and 3,301,517.80

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Solution

The fourth proportional to 12,886,045.30, 19,328,630.55 and 3,301,517.80 is: 4,952,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,045.30 : 19,328,630.55 = 3,301,517.80 : x
  2. Step 2: Convert to fraction form
    12,886,045.30/19,328,630.55 = 3,301,517.80/x
  3. Step 3: Cross multiply
    12,886,045.30x = 19,328,630.55 × 3,301,517.80
  4. Step 4: Simplify right side
    12,886,045.30x = 63,813,817,810,448.79
  5. Step 5: Solve for x
    x = 63,813,817,810,448.79/12,886,045.30
  6. Step 6: Final answer
    x = 4,952,164.63

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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.