Home / 13,472,047.40-20,206,102.80-3,886,426.40

Finding the Fourth Proportional to 13,472,047.40, 20,206,102.80 and 3,886,426.40

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Solution

The fourth proportional to 13,472,047.40, 20,206,102.80 and 3,886,426.40 is: 5,829,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,047.40 : 20,206,102.80 = 3,886,426.40 : x
  2. Step 2: Convert to fraction form
    13,472,047.40/20,206,102.80 = 3,886,426.40/x
  3. Step 3: Cross multiply
    13,472,047.40x = 20,206,102.80 × 3,886,426.40
  4. Step 4: Simplify right side
    13,472,047.40x = 78,529,531,363,033.92
  5. Step 5: Solve for x
    x = 78,529,531,363,033.92/13,472,047.40
  6. Step 6: Final answer
    x = 5,829,071.78

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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.