Home / 19,159,110-26,439,571.80-13,058,196.48

Finding the Fourth Proportional to 19,159,110, 26,439,571.80 and 13,058,196.48

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Solution

The fourth proportional to 19,159,110, 26,439,571.80 and 13,058,196.48 is: 18,020,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,110 : 26,439,571.80 = 13,058,196.48 : x
  2. Step 2: Convert to fraction form
    19,159,110/26,439,571.80 = 13,058,196.48/x
  3. Step 3: Cross multiply
    19,159,110x = 26,439,571.80 × 13,058,196.48
  4. Step 4: Simplify right side
    19,159,110x = 345,253,123,411,467.31
  5. Step 5: Solve for x
    x = 345,253,123,411,467.31/19,159,110
  6. Step 6: Final answer
    x = 18,020,311.14

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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.