Home / 21,855,752.23-30,174,549.72-13,912,776.34

Finding the Fourth Proportional to 21,855,752.23, 30,174,549.72 and 13,912,776.34

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Solution

The fourth proportional to 21,855,752.23, 30,174,549.72 and 13,912,776.34 is: 19,208,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,752.23 : 30,174,549.72 = 13,912,776.34 : x
  2. Step 2: Convert to fraction form
    21,855,752.23/30,174,549.72 = 13,912,776.34/x
  3. Step 3: Cross multiply
    21,855,752.23x = 30,174,549.72 × 13,912,776.34
  4. Step 4: Simplify right side
    21,855,752.23x = 419,811,761,286,960.31
  5. Step 5: Solve for x
    x = 419,811,761,286,960.31/21,855,752.23
  6. Step 6: Final answer
    x = 19,208,296.15

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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.