Home / 21,175,118.25-31,749,863.99-9,501,349.65

Finding the Fourth Proportional to 21,175,118.25, 31,749,863.99 and 9,501,349.65

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Solution

The fourth proportional to 21,175,118.25, 31,749,863.99 and 9,501,349.65 is: 14,246,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,118.25 : 31,749,863.99 = 9,501,349.65 : x
  2. Step 2: Convert to fraction form
    21,175,118.25/31,749,863.99 = 9,501,349.65/x
  3. Step 3: Cross multiply
    21,175,118.25x = 31,749,863.99 × 9,501,349.65
  4. Step 4: Simplify right side
    21,175,118.25x = 301,666,559,061,427.38
  5. Step 5: Solve for x
    x = 301,666,559,061,427.38/21,175,118.25
  6. Step 6: Final answer
    x = 14,246,275.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.