Home / 20,243,303.19-27,935,673.80-10,950,850.15

Finding the Fourth Proportional to 20,243,303.19, 27,935,673.80 and 10,950,850.15

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Solution

The fourth proportional to 20,243,303.19, 27,935,673.80 and 10,950,850.15 is: 15,112,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243,303.19 : 27,935,673.80 = 10,950,850.15 : x
  2. Step 2: Convert to fraction form
    20,243,303.19/27,935,673.80 = 10,950,850.15/x
  3. Step 3: Cross multiply
    20,243,303.19x = 27,935,673.80 × 10,950,850.15
  4. Step 4: Simplify right side
    20,243,303.19x = 305,919,377,498,487.69
  5. Step 5: Solve for x
    x = 305,919,377,498,487.69/20,243,303.19
  6. Step 6: Final answer
    x = 15,112,127.43

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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.