Home / 21,860,947.81-32,789,168.57-7,286,292.52

Finding the Fourth Proportional to 21,860,947.81, 32,789,168.57 and 7,286,292.52

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Solution

The fourth proportional to 21,860,947.81, 32,789,168.57 and 7,286,292.52 is: 10,928,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,947.81 : 32,789,168.57 = 7,286,292.52 : x
  2. Step 2: Convert to fraction form
    21,860,947.81/32,789,168.57 = 7,286,292.52/x
  3. Step 3: Cross multiply
    21,860,947.81x = 32,789,168.57 × 7,286,292.52
  4. Step 4: Simplify right side
    21,860,947.81x = 238,911,473,760,625.88
  5. Step 5: Solve for x
    x = 238,911,473,760,625.88/21,860,947.81
  6. Step 6: Final answer
    x = 10,928,687.80

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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.