Home / 20,736,058.60-31,104,087.90-7,268,026.60

Finding the Fourth Proportional to 20,736,058.60, 31,104,087.90 and 7,268,026.60

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Solution

The fourth proportional to 20,736,058.60, 31,104,087.90 and 7,268,026.60 is: 10,902,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,058.60 : 31,104,087.90 = 7,268,026.60 : x
  2. Step 2: Convert to fraction form
    20,736,058.60/31,104,087.90 = 7,268,026.60/x
  3. Step 3: Cross multiply
    20,736,058.60x = 31,104,087.90 × 7,268,026.60
  4. Step 4: Simplify right side
    20,736,058.60x = 226,065,338,225,938.12
  5. Step 5: Solve for x
    x = 226,065,338,225,938.12/20,736,058.60
  6. Step 6: Final answer
    x = 10,902,039.90

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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.