Home / 20,733,076.60-31,113,611.70-13,527,057.40

Finding the Fourth Proportional to 20,733,076.60, 31,113,611.70 and 13,527,057.40

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Solution

The fourth proportional to 20,733,076.60, 31,113,611.70 and 13,527,057.40 is: 20,299,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,076.60 : 31,113,611.70 = 13,527,057.40 : x
  2. Step 2: Convert to fraction form
    20,733,076.60/31,113,611.70 = 13,527,057.40/x
  3. Step 3: Cross multiply
    20,733,076.60x = 31,113,611.70 × 13,527,057.40
  4. Step 4: Simplify right side
    20,733,076.60x = 420,875,611,387,211.56
  5. Step 5: Solve for x
    x = 420,875,611,387,211.56/20,733,076.60
  6. Step 6: Final answer
    x = 20,299,718.15

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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.