Home / 39,072,947.46-58,644,549.27-20,892,682.68

Finding the Fourth Proportional to 39,072,947.46, 58,644,549.27 and 20,892,682.68

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Solution

The fourth proportional to 39,072,947.46, 58,644,549.27 and 20,892,682.68 is: 31,357,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072,947.46 : 58,644,549.27 = 20,892,682.68 : x
  2. Step 2: Convert to fraction form
    39,072,947.46/58,644,549.27 = 20,892,682.68/x
  3. Step 3: Cross multiply
    39,072,947.46x = 58,644,549.27 × 20,892,682.68
  4. Step 4: Simplify right side
    39,072,947.46x = 1,225,241,958,809,735.75
  5. Step 5: Solve for x
    x = 1,225,241,958,809,735.75/39,072,947.46
  6. Step 6: Final answer
    x = 31,357,807.34

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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.