Home / 20,144,807.80-30,217,211.70-6,681,635.80

Finding the Fourth Proportional to 20,144,807.80, 30,217,211.70 and 6,681,635.80

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Solution

The fourth proportional to 20,144,807.80, 30,217,211.70 and 6,681,635.80 is: 10,022,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,807.80 : 30,217,211.70 = 6,681,635.80 : x
  2. Step 2: Convert to fraction form
    20,144,807.80/30,217,211.70 = 6,681,635.80/x
  3. Step 3: Cross multiply
    20,144,807.80x = 30,217,211.70 × 6,681,635.80
  4. Step 4: Simplify right side
    20,144,807.80x = 201,900,403,470,898.84
  5. Step 5: Solve for x
    x = 201,900,403,470,898.84/20,144,807.80
  6. Step 6: Final answer
    x = 10,022,453.70

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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.