Home / 22,144,742.60-33,217,113.90-21,188,148.80

Finding the Fourth Proportional to 22,144,742.60, 33,217,113.90 and 21,188,148.80

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Solution

The fourth proportional to 22,144,742.60, 33,217,113.90 and 21,188,148.80 is: 31,782,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,742.60 : 33,217,113.90 = 21,188,148.80 : x
  2. Step 2: Convert to fraction form
    22,144,742.60/33,217,113.90 = 21,188,148.80/x
  3. Step 3: Cross multiply
    22,144,742.60x = 33,217,113.90 × 21,188,148.80
  4. Step 4: Simplify right side
    22,144,742.60x = 703,809,152,019,748.38
  5. Step 5: Solve for x
    x = 703,809,152,019,748.38/22,144,742.60
  6. Step 6: Final answer
    x = 31,782,223.20

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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.