Home / 19,238,707.80-28,858,063.32-4,861,816.92

Finding the Fourth Proportional to 19,238,707.80, 28,858,063.32 and 4,861,816.92

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Solution

The fourth proportional to 19,238,707.80, 28,858,063.32 and 4,861,816.92 is: 7,292,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238,707.80 : 28,858,063.32 = 4,861,816.92 : x
  2. Step 2: Convert to fraction form
    19,238,707.80/28,858,063.32 = 4,861,816.92/x
  3. Step 3: Cross multiply
    19,238,707.80x = 28,858,063.32 × 4,861,816.92
  4. Step 4: Simplify right side
    19,238,707.80x = 140,302,620,527,607.38
  5. Step 5: Solve for x
    x = 140,302,620,527,607.38/19,238,707.80
  6. Step 6: Final answer
    x = 7,292,725.79

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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.