Home / 21,684,853.44-32,516,899.20-12,589,463.88

Finding the Fourth Proportional to 21,684,853.44, 32,516,899.20 and 12,589,463.88

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Solution

The fourth proportional to 21,684,853.44, 32,516,899.20 and 12,589,463.88 is: 18,878,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,853.44 : 32,516,899.20 = 12,589,463.88 : x
  2. Step 2: Convert to fraction form
    21,684,853.44/32,516,899.20 = 12,589,463.88/x
  3. Step 3: Cross multiply
    21,684,853.44x = 32,516,899.20 × 12,589,463.88
  4. Step 4: Simplify right side
    21,684,853.44x = 409,370,327,968,000.94
  5. Step 5: Solve for x
    x = 409,370,327,968,000.94/21,684,853.44
  6. Step 6: Final answer
    x = 18,878,169.00

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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.