Home / 14,042,700-19,378,997.64-7,847,850.12

Finding the Fourth Proportional to 14,042,700, 19,378,997.64 and 7,847,850.12

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Solution

The fourth proportional to 14,042,700, 19,378,997.64 and 7,847,850.12 is: 10,830,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,700 : 19,378,997.64 = 7,847,850.12 : x
  2. Step 2: Convert to fraction form
    14,042,700/19,378,997.64 = 7,847,850.12/x
  3. Step 3: Cross multiply
    14,042,700x = 19,378,997.64 × 7,847,850.12
  4. Step 4: Simplify right side
    14,042,700x = 152,083,468,954,553.72
  5. Step 5: Solve for x
    x = 152,083,468,954,553.72/14,042,700
  6. Step 6: Final answer
    x = 10,830,073.20

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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.