Home / 28,193,362.44-38,834,065.98-19,919,061.54

Finding the Fourth Proportional to 28,193,362.44, 38,834,065.98 and 19,919,061.54

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Solution

The fourth proportional to 28,193,362.44, 38,834,065.98 and 19,919,061.54 is: 27,436,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,362.44 : 38,834,065.98 = 19,919,061.54 : x
  2. Step 2: Convert to fraction form
    28,193,362.44/38,834,065.98 = 19,919,061.54/x
  3. Step 3: Cross multiply
    28,193,362.44x = 38,834,065.98 × 19,919,061.54
  4. Step 4: Simplify right side
    28,193,362.44x = 773,538,150,104,040.25
  5. Step 5: Solve for x
    x = 773,538,150,104,040.25/28,193,362.44
  6. Step 6: Final answer
    x = 27,436,888.80

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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.