Home / 20,153,970.30-30,211,601.85-6,683,864.70

Finding the Fourth Proportional to 20,153,970.30, 30,211,601.85 and 6,683,864.70

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Solution

The fourth proportional to 20,153,970.30, 30,211,601.85 and 6,683,864.70 is: 10,019,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,970.30 : 30,211,601.85 = 6,683,864.70 : x
  2. Step 2: Convert to fraction form
    20,153,970.30/30,211,601.85 = 6,683,864.70/x
  3. Step 3: Cross multiply
    20,153,970.30x = 30,211,601.85 × 6,683,864.70
  4. Step 4: Simplify right side
    20,153,970.30x = 201,930,259,135,669.72
  5. Step 5: Solve for x
    x = 201,930,259,135,669.72/20,153,970.30
  6. Step 6: Final answer
    x = 10,019,378.62

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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.