Home / 21,175,117.26-31,749,862.46-9,501,348.66

Finding the Fourth Proportional to 21,175,117.26, 31,749,862.46 and 9,501,348.66

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Solution

The fourth proportional to 21,175,117.26, 31,749,862.46 and 9,501,348.66 is: 14,246,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,117.26 : 31,749,862.46 = 9,501,348.66 : x
  2. Step 2: Convert to fraction form
    21,175,117.26/31,749,862.46 = 9,501,348.66/x
  3. Step 3: Cross multiply
    21,175,117.26x = 31,749,862.46 × 9,501,348.66
  4. Step 4: Simplify right side
    21,175,117.26x = 301,666,513,139,505.31
  5. Step 5: Solve for x
    x = 301,666,513,139,505.31/21,175,117.26
  6. Step 6: Final answer
    x = 14,246,273.56

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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.