Home / 21,708,016.90-32,586,908.55-12,737,623.30

Finding the Fourth Proportional to 21,708,016.90, 32,586,908.55 and 12,737,623.30

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Solution

The fourth proportional to 21,708,016.90, 32,586,908.55 and 12,737,623.30 is: 19,121,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,016.90 : 32,586,908.55 = 12,737,623.30 : x
  2. Step 2: Convert to fraction form
    21,708,016.90/32,586,908.55 = 12,737,623.30/x
  3. Step 3: Cross multiply
    21,708,016.90x = 32,586,908.55 × 12,737,623.30
  4. Step 4: Simplify right side
    21,708,016.90x = 415,079,765,621,449.25
  5. Step 5: Solve for x
    x = 415,079,765,621,449.25/21,708,016.90
  6. Step 6: Final answer
    x = 19,121,035.68

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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.