Home / 20,706,405.37-31,059,688.24-6,329,417.29

Finding the Fourth Proportional to 20,706,405.37, 31,059,688.24 and 6,329,417.29

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Solution

The fourth proportional to 20,706,405.37, 31,059,688.24 and 6,329,417.29 is: 9,494,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,405.37 : 31,059,688.24 = 6,329,417.29 : x
  2. Step 2: Convert to fraction form
    20,706,405.37/31,059,688.24 = 6,329,417.29/x
  3. Step 3: Cross multiply
    20,706,405.37x = 31,059,688.24 × 6,329,417.29
  4. Step 4: Simplify right side
    20,706,405.37x = 196,589,727,698,528.22
  5. Step 5: Solve for x
    x = 196,589,727,698,528.22/20,706,405.37
  6. Step 6: Final answer
    x = 9,494,150.44

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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.