Home / 21,464,920.66-29,618,900.13-14,510,727.22

Finding the Fourth Proportional to 21,464,920.66, 29,618,900.13 and 14,510,727.22

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Solution

The fourth proportional to 21,464,920.66, 29,618,900.13 and 14,510,727.22 is: 20,022,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464,920.66 : 29,618,900.13 = 14,510,727.22 : x
  2. Step 2: Convert to fraction form
    21,464,920.66/29,618,900.13 = 14,510,727.22/x
  3. Step 3: Cross multiply
    21,464,920.66x = 29,618,900.13 × 14,510,727.22
  4. Step 4: Simplify right side
    21,464,920.66x = 429,791,780,342,852.56
  5. Step 5: Solve for x
    x = 429,791,780,342,852.56/21,464,920.66
  6. Step 6: Final answer
    x = 20,022,984.81

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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.