Home / 20,673,300.50-31,029,113.26-10,445,348.86

Finding the Fourth Proportional to 20,673,300.50, 31,029,113.26 and 10,445,348.86

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Solution

The fourth proportional to 20,673,300.50, 31,029,113.26 and 10,445,348.86 is: 15,677,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,300.50 : 31,029,113.26 = 10,445,348.86 : x
  2. Step 2: Convert to fraction form
    20,673,300.50/31,029,113.26 = 10,445,348.86/x
  3. Step 3: Cross multiply
    20,673,300.50x = 31,029,113.26 × 10,445,348.86
  4. Step 4: Simplify right side
    20,673,300.50x = 324,109,912,817,151.88
  5. Step 5: Solve for x
    x = 324,109,912,817,151.88/20,673,300.50
  6. Step 6: Final answer
    x = 15,677,705.30

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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.