Home / 15,376,091.52-21,219,449.16-8,501,016.42

Finding the Fourth Proportional to 15,376,091.52, 21,219,449.16 and 8,501,016.42

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Solution

The fourth proportional to 15,376,091.52, 21,219,449.16 and 8,501,016.42 is: 11,731,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,091.52 : 21,219,449.16 = 8,501,016.42 : x
  2. Step 2: Convert to fraction form
    15,376,091.52/21,219,449.16 = 8,501,016.42/x
  3. Step 3: Cross multiply
    15,376,091.52x = 21,219,449.16 × 8,501,016.42
  4. Step 4: Simplify right side
    15,376,091.52x = 180,386,885,732,515.22
  5. Step 5: Solve for x
    x = 180,386,885,732,515.22/15,376,091.52
  6. Step 6: Final answer
    x = 11,731,647.51

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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.