Home / 21,397,297.72-32,103,936.78-8,621,426.92

Finding the Fourth Proportional to 21,397,297.72, 32,103,936.78 and 8,621,426.92

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Solution

The fourth proportional to 21,397,297.72, 32,103,936.78 and 8,621,426.92 is: 12,935,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,297.72 : 32,103,936.78 = 8,621,426.92 : x
  2. Step 2: Convert to fraction form
    21,397,297.72/32,103,936.78 = 8,621,426.92/x
  3. Step 3: Cross multiply
    21,397,297.72x = 32,103,936.78 × 8,621,426.92
  4. Step 4: Simplify right side
    21,397,297.72x = 276,781,744,793,070.12
  5. Step 5: Solve for x
    x = 276,781,744,793,070.12/21,397,297.72
  6. Step 6: Final answer
    x = 12,935,359.80

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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.