Home / 21,286,586.94-29,379,764.25-13,931,705.94

Finding the Fourth Proportional to 21,286,586.94, 29,379,764.25 and 13,931,705.94

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Solution

The fourth proportional to 21,286,586.94, 29,379,764.25 and 13,931,705.94 is: 19,228,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,586.94 : 29,379,764.25 = 13,931,705.94 : x
  2. Step 2: Convert to fraction form
    21,286,586.94/29,379,764.25 = 13,931,705.94/x
  3. Step 3: Cross multiply
    21,286,586.94x = 29,379,764.25 × 13,931,705.94
  4. Step 4: Simplify right side
    21,286,586.94x = 409,310,236,117,524.62
  5. Step 5: Solve for x
    x = 409,310,236,117,524.62/21,286,586.94
  6. Step 6: Final answer
    x = 19,228,551.64

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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.