Home / 21,621,199.32-29,837,258.01-11,831,645.84

Finding the Fourth Proportional to 21,621,199.32, 29,837,258.01 and 11,831,645.84

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Solution

The fourth proportional to 21,621,199.32, 29,837,258.01 and 11,831,645.84 is: 16,327,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,199.32 : 29,837,258.01 = 11,831,645.84 : x
  2. Step 2: Convert to fraction form
    21,621,199.32/29,837,258.01 = 11,831,645.84/x
  3. Step 3: Cross multiply
    21,621,199.32x = 29,837,258.01 × 11,831,645.84
  4. Step 4: Simplify right side
    21,621,199.32x = 353,023,869,461,836.94
  5. Step 5: Solve for x
    x = 353,023,869,461,836.94/21,621,199.32
  6. Step 6: Final answer
    x = 16,327,672.87

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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.