Home / 20,894,116.66-28,833,880.91-11,726,759.41

Finding the Fourth Proportional to 20,894,116.66, 28,833,880.91 and 11,726,759.41

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Solution

The fourth proportional to 20,894,116.66, 28,833,880.91 and 11,726,759.41 is: 16,182,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,116.66 : 28,833,880.91 = 11,726,759.41 : x
  2. Step 2: Convert to fraction form
    20,894,116.66/28,833,880.91 = 11,726,759.41/x
  3. Step 3: Cross multiply
    20,894,116.66x = 28,833,880.91 × 11,726,759.41
  4. Step 4: Simplify right side
    20,894,116.66x = 338,127,984,157,443.38
  5. Step 5: Solve for x
    x = 338,127,984,157,443.38/20,894,116.66
  6. Step 6: Final answer
    x = 16,182,927.94

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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.