Home / 19,471,215.38-29,200,611.62-6,688,637.78

Finding the Fourth Proportional to 19,471,215.38, 29,200,611.62 and 6,688,637.78

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Solution

The fourth proportional to 19,471,215.38, 29,200,611.62 and 6,688,637.78 is: 10,030,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471,215.38 : 29,200,611.62 = 6,688,637.78 : x
  2. Step 2: Convert to fraction form
    19,471,215.38/29,200,611.62 = 6,688,637.78/x
  3. Step 3: Cross multiply
    19,471,215.38x = 29,200,611.62 × 6,688,637.78
  4. Step 4: Simplify right side
    19,471,215.38x = 195,312,313,951,357.53
  5. Step 5: Solve for x
    x = 195,312,313,951,357.53/19,471,215.38
  6. Step 6: Final answer
    x = 10,030,822.95

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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.