Home / 47,389,426.38-71,086,895.16-13,313,429.46

Finding the Fourth Proportional to 47,389,426.38, 71,086,895.16 and 13,313,429.46

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Solution

The fourth proportional to 47,389,426.38, 71,086,895.16 and 13,313,429.46 is: 19,970,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,426.38 : 71,086,895.16 = 13,313,429.46 : x
  2. Step 2: Convert to fraction form
    47,389,426.38/71,086,895.16 = 13,313,429.46/x
  3. Step 3: Cross multiply
    47,389,426.38x = 71,086,895.16 × 13,313,429.46
  4. Step 4: Simplify right side
    47,389,426.38x = 946,410,364,243,075.38
  5. Step 5: Solve for x
    x = 946,410,364,243,075.38/47,389,426.38
  6. Step 6: Final answer
    x = 19,970,918.34

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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.