Home / 18,369,006.40-27,564,007.20-7,017,601.60

Finding the Fourth Proportional to 18,369,006.40, 27,564,007.20 and 7,017,601.60

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Solution

The fourth proportional to 18,369,006.40, 27,564,007.20 and 7,017,601.60 is: 10,530,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369,006.40 : 27,564,007.20 = 7,017,601.60 : x
  2. Step 2: Convert to fraction form
    18,369,006.40/27,564,007.20 = 7,017,601.60/x
  3. Step 3: Cross multiply
    18,369,006.40x = 27,564,007.20 × 7,017,601.60
  4. Step 4: Simplify right side
    18,369,006.40x = 193,433,221,029,131.50
  5. Step 5: Solve for x
    x = 193,433,221,029,131.50/18,369,006.40
  6. Step 6: Final answer
    x = 10,530,412.85

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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.