Home / 6,980,069.70-10,470,337.86-1,930,957.38

Finding the Fourth Proportional to 6,980,069.70, 10,470,337.86 and 1,930,957.38

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Solution

The fourth proportional to 6,980,069.70, 10,470,337.86 and 1,930,957.38 is: 2,896,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,069.70 : 10,470,337.86 = 1,930,957.38 : x
  2. Step 2: Convert to fraction form
    6,980,069.70/10,470,337.86 = 1,930,957.38/x
  3. Step 3: Cross multiply
    6,980,069.70x = 10,470,337.86 × 1,930,957.38
  4. Step 4: Simplify right side
    6,980,069.70x = 20,217,776,161,860.41
  5. Step 5: Solve for x
    x = 20,217,776,161,860.41/6,980,069.70
  6. Step 6: Final answer
    x = 2,896,500.61

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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.