Home / 21,359,847.76-29,476,731.44-11,570,291.84

Finding the Fourth Proportional to 21,359,847.76, 29,476,731.44 and 11,570,291.84

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Solution

The fourth proportional to 21,359,847.76, 29,476,731.44 and 11,570,291.84 is: 15,967,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,847.76 : 29,476,731.44 = 11,570,291.84 : x
  2. Step 2: Convert to fraction form
    21,359,847.76/29,476,731.44 = 11,570,291.84/x
  3. Step 3: Cross multiply
    21,359,847.76x = 29,476,731.44 × 11,570,291.84
  4. Step 4: Simplify right side
    21,359,847.76x = 341,054,385,250,103.44
  5. Step 5: Solve for x
    x = 341,054,385,250,103.44/21,359,847.76
  6. Step 6: Final answer
    x = 15,967,079.40

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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.