Home / 13,484,018.80-20,226,618.60-3,900,366.10

Finding the Fourth Proportional to 13,484,018.80, 20,226,618.60 and 3,900,366.10

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Solution

The fourth proportional to 13,484,018.80, 20,226,618.60 and 3,900,366.10 is: 5,850,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,018.80 : 20,226,618.60 = 3,900,366.10 : x
  2. Step 2: Convert to fraction form
    13,484,018.80/20,226,618.60 = 3,900,366.10/x
  3. Step 3: Cross multiply
    13,484,018.80x = 20,226,618.60 × 3,900,366.10
  4. Step 4: Simplify right side
    13,484,018.80x = 78,891,217,505,069.47
  5. Step 5: Solve for x
    x = 78,891,217,505,069.47/13,484,018.80
  6. Step 6: Final answer
    x = 5,850,719.93

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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.