Home / 33,122,915.28-49,681,518.48-20,165,710.86

Finding the Fourth Proportional to 33,122,915.28, 49,681,518.48 and 20,165,710.86

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Solution

The fourth proportional to 33,122,915.28, 49,681,518.48 and 20,165,710.86 is: 30,246,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122,915.28 : 49,681,518.48 = 20,165,710.86 : x
  2. Step 2: Convert to fraction form
    33,122,915.28/49,681,518.48 = 20,165,710.86/x
  3. Step 3: Cross multiply
    33,122,915.28x = 49,681,518.48 × 20,165,710.86
  4. Step 4: Simplify right side
    33,122,915.28x = 1,001,863,136,753,426.62
  5. Step 5: Solve for x
    x = 1,001,863,136,753,426.62/33,122,915.28
  6. Step 6: Final answer
    x = 30,246,828.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.