Home / 21,621,063.46-29,837,064.72-11,831,508.81

Finding the Fourth Proportional to 21,621,063.46, 29,837,064.72 and 11,831,508.81

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Solution

The fourth proportional to 21,621,063.46, 29,837,064.72 and 11,831,508.81 is: 16,327,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,063.46 : 29,837,064.72 = 11,831,508.81 : x
  2. Step 2: Convert to fraction form
    21,621,063.46/29,837,064.72 = 11,831,508.81/x
  3. Step 3: Cross multiply
    21,621,063.46x = 29,837,064.72 × 11,831,508.81
  4. Step 4: Simplify right side
    21,621,063.46x = 353,017,494,143,588.38
  5. Step 5: Solve for x
    x = 353,017,494,143,588.38/21,621,063.46
  6. Step 6: Final answer
    x = 16,327,480.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.