Home / 20,733,726.66-28,618,233.29-12,034,701.79

Finding the Fourth Proportional to 20,733,726.66, 28,618,233.29 and 12,034,701.79

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Solution

The fourth proportional to 20,733,726.66, 28,618,233.29 and 12,034,701.79 is: 16,611,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,726.66 : 28,618,233.29 = 12,034,701.79 : x
  2. Step 2: Convert to fraction form
    20,733,726.66/28,618,233.29 = 12,034,701.79/x
  3. Step 3: Cross multiply
    20,733,726.66x = 28,618,233.29 × 12,034,701.79
  4. Step 4: Simplify right side
    20,733,726.66x = 344,411,903,401,800.56
  5. Step 5: Solve for x
    x = 344,411,903,401,800.56/20,733,726.66
  6. Step 6: Final answer
    x = 16,611,191.47

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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.