Home / 20,733,058.60-31,113,584.70-13,527,039.40

Finding the Fourth Proportional to 20,733,058.60, 31,113,584.70 and 13,527,039.40

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Solution

The fourth proportional to 20,733,058.60, 31,113,584.70 and 13,527,039.40 is: 20,299,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,058.60 : 31,113,584.70 = 13,527,039.40 : x
  2. Step 2: Convert to fraction form
    20,733,058.60/31,113,584.70 = 13,527,039.40/x
  3. Step 3: Cross multiply
    20,733,058.60x = 31,113,584.70 × 13,527,039.40
  4. Step 4: Simplify right side
    20,733,058.60x = 420,874,686,112,137.19
  5. Step 5: Solve for x
    x = 420,874,686,112,137.19/20,733,058.60
  6. Step 6: Final answer
    x = 20,299,691.15

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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.