Home / 12,321,000.92-16,996,155.36-7,163,792.48

Finding the Fourth Proportional to 12,321,000.92, 16,996,155.36 and 7,163,792.48

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Solution

The fourth proportional to 12,321,000.92, 16,996,155.36 and 7,163,792.48 is: 9,882,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,000.92 : 16,996,155.36 = 7,163,792.48 : x
  2. Step 2: Convert to fraction form
    12,321,000.92/16,996,155.36 = 7,163,792.48/x
  3. Step 3: Cross multiply
    12,321,000.92x = 16,996,155.36 × 7,163,792.48
  4. Step 4: Simplify right side
    12,321,000.92x = 121,756,929,956,879.70
  5. Step 5: Solve for x
    x = 121,756,929,956,879.70/12,321,000.92
  6. Step 6: Final answer
    x = 9,882,064.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.