Home / 20,301,601.05-28,017,981-11,136,015.27

Finding the Fourth Proportional to 20,301,601.05, 28,017,981 and 11,136,015.27

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Solution

The fourth proportional to 20,301,601.05, 28,017,981 and 11,136,015.27 is: 15,368,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,601.05 : 28,017,981 = 11,136,015.27 : x
  2. Step 2: Convert to fraction form
    20,301,601.05/28,017,981 = 11,136,015.27/x
  3. Step 3: Cross multiply
    20,301,601.05x = 28,017,981 × 11,136,015.27
  4. Step 4: Simplify right side
    20,301,601.05x = 312,008,664,250,569.88
  5. Step 5: Solve for x
    x = 312,008,664,250,569.88/20,301,601.05
  6. Step 6: Final answer
    x = 15,368,672.82

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1.5x scale

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.