Home / 20,800,938.60-31,164,083.10-17,814,954.60

Finding the Fourth Proportional to 20,800,938.60, 31,164,083.10 and 17,814,954.60

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Solution

The fourth proportional to 20,800,938.60, 31,164,083.10 and 17,814,954.60 is: 26,690,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,938.60 : 31,164,083.10 = 17,814,954.60 : x
  2. Step 2: Convert to fraction form
    20,800,938.60/31,164,083.10 = 17,814,954.60/x
  3. Step 3: Cross multiply
    20,800,938.60x = 31,164,083.10 × 17,814,954.60
  4. Step 4: Simplify right side
    20,800,938.60x = 555,186,725,577,127.31
  5. Step 5: Solve for x
    x = 555,186,725,577,127.31/20,800,938.60
  6. Step 6: Final answer
    x = 26,690,465.09

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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.