Home / 21,860,949.81-32,789,171.57-7,286,294.52

Finding the Fourth Proportional to 21,860,949.81, 32,789,171.57 and 7,286,294.52

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Solution

The fourth proportional to 21,860,949.81, 32,789,171.57 and 7,286,294.52 is: 10,928,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,949.81 : 32,789,171.57 = 7,286,294.52 : x
  2. Step 2: Convert to fraction form
    21,860,949.81/32,789,171.57 = 7,286,294.52/x
  3. Step 3: Cross multiply
    21,860,949.81x = 32,789,171.57 × 7,286,294.52
  4. Step 4: Simplify right side
    21,860,949.81x = 238,911,561,125,830.78
  5. Step 5: Solve for x
    x = 238,911,561,125,830.78/21,860,949.81
  6. Step 6: Final answer
    x = 10,928,690.80

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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.