Home / 20,713,403.45-31,068,978.95-6,336,471.26

Finding the Fourth Proportional to 20,713,403.45, 31,068,978.95 and 6,336,471.26

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Solution

The fourth proportional to 20,713,403.45, 31,068,978.95 and 6,336,471.26 is: 9,504,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,403.45 : 31,068,978.95 = 6,336,471.26 : x
  2. Step 2: Convert to fraction form
    20,713,403.45/31,068,978.95 = 6,336,471.26/x
  3. Step 3: Cross multiply
    20,713,403.45x = 31,068,978.95 × 6,336,471.26
  4. Step 4: Simplify right side
    20,713,403.45x = 196,867,692,007,192.72
  5. Step 5: Solve for x
    x = 196,867,692,007,192.72/20,713,403.45
  6. Step 6: Final answer
    x = 9,504,362.36

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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.