Home / 13,622,995.48-18,800,181.68-7,822,809.04

Finding the Fourth Proportional to 13,622,995.48, 18,800,181.68 and 7,822,809.04

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Solution

The fourth proportional to 13,622,995.48, 18,800,181.68 and 7,822,809.04 is: 10,795,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,995.48 : 18,800,181.68 = 7,822,809.04 : x
  2. Step 2: Convert to fraction form
    13,622,995.48/18,800,181.68 = 7,822,809.04/x
  3. Step 3: Cross multiply
    13,622,995.48x = 18,800,181.68 × 7,822,809.04
  4. Step 4: Simplify right side
    13,622,995.48x = 147,070,231,199,946.38
  5. Step 5: Solve for x
    x = 147,070,231,199,946.38/13,622,995.48
  6. Step 6: Final answer
    x = 10,795,733.69

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1.5x scale

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.