Home / 15,631,191.57-21,522,893.03-13,885,834.35

Finding the Fourth Proportional to 15,631,191.57, 21,522,893.03 and 13,885,834.35

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Solution

The fourth proportional to 15,631,191.57, 21,522,893.03 and 13,885,834.35 is: 19,119,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,191.57 : 21,522,893.03 = 13,885,834.35 : x
  2. Step 2: Convert to fraction form
    15,631,191.57/21,522,893.03 = 13,885,834.35/x
  3. Step 3: Cross multiply
    15,631,191.57x = 21,522,893.03 × 13,885,834.35
  4. Step 4: Simplify right side
    15,631,191.57x = 298,863,327,410,703.12
  5. Step 5: Solve for x
    x = 298,863,327,410,703.12/15,631,191.57
  6. Step 6: Final answer
    x = 19,119,676.58

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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.