Home / 19,318,111.72-28,981,349.34-5,855,954.92

Finding the Fourth Proportional to 19,318,111.72, 28,981,349.34 and 5,855,954.92

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Solution

The fourth proportional to 19,318,111.72, 28,981,349.34 and 5,855,954.92 is: 8,785,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,111.72 : 28,981,349.34 = 5,855,954.92 : x
  2. Step 2: Convert to fraction form
    19,318,111.72/28,981,349.34 = 5,855,954.92/x
  3. Step 3: Cross multiply
    19,318,111.72x = 28,981,349.34 × 5,855,954.92
  4. Step 4: Simplify right side
    19,318,111.72x = 169,713,475,255,811.75
  5. Step 5: Solve for x
    x = 169,713,475,255,811.75/19,318,111.72
  6. Step 6: Final answer
    x = 8,785,200.01

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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.