Home / 21,411,104.40-29,546,529.08-11,621,337.89

Finding the Fourth Proportional to 21,411,104.40, 29,546,529.08 and 11,621,337.89

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Solution

The fourth proportional to 21,411,104.40, 29,546,529.08 and 11,621,337.89 is: 16,037,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,104.40 : 29,546,529.08 = 11,621,337.89 : x
  2. Step 2: Convert to fraction form
    21,411,104.40/29,546,529.08 = 11,621,337.89/x
  3. Step 3: Cross multiply
    21,411,104.40x = 29,546,529.08 × 11,621,337.89
  4. Step 4: Simplify right side
    21,411,104.40x = 343,370,197,709,551.50
  5. Step 5: Solve for x
    x = 343,370,197,709,551.50/21,411,104.40
  6. Step 6: Final answer
    x = 16,037,014.78

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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.