Home / 39,715,347.12-54,806,853.60-22,311,325.86

Finding the Fourth Proportional to 39,715,347.12, 54,806,853.60 and 22,311,325.86

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Solution

The fourth proportional to 39,715,347.12, 54,806,853.60 and 22,311,325.86 is: 30,789,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715,347.12 : 54,806,853.60 = 22,311,325.86 : x
  2. Step 2: Convert to fraction form
    39,715,347.12/54,806,853.60 = 22,311,325.86/x
  3. Step 3: Cross multiply
    39,715,347.12x = 54,806,853.60 × 22,311,325.86
  4. Step 4: Simplify right side
    39,715,347.12x = 1,222,813,570,030,914
  5. Step 5: Solve for x
    x = 1,222,813,570,030,914/39,715,347.12
  6. Step 6: Final answer
    x = 30,789,446.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.