Home / 21,513,855.20-32,270,005.20-8,733,999.20

Finding the Fourth Proportional to 21,513,855.20, 32,270,005.20 and 8,733,999.20

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Solution

The fourth proportional to 21,513,855.20, 32,270,005.20 and 8,733,999.20 is: 13,100,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,855.20 : 32,270,005.20 = 8,733,999.20 : x
  2. Step 2: Convert to fraction form
    21,513,855.20/32,270,005.20 = 8,733,999.20/x
  3. Step 3: Cross multiply
    21,513,855.20x = 32,270,005.20 × 8,733,999.20
  4. Step 4: Simplify right side
    21,513,855.20x = 281,846,199,600,795.81
  5. Step 5: Solve for x
    x = 281,846,199,600,795.81/21,513,855.20
  6. Step 6: Final answer
    x = 13,100,683.12

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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.