Home / 21,306,053.55-31,959,080.33-9,362,117.55

Finding the Fourth Proportional to 21,306,053.55, 31,959,080.33 and 9,362,117.55

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Solution

The fourth proportional to 21,306,053.55, 31,959,080.33 and 9,362,117.55 is: 14,043,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,053.55 : 31,959,080.33 = 9,362,117.55 : x
  2. Step 2: Convert to fraction form
    21,306,053.55/31,959,080.33 = 9,362,117.55/x
  3. Step 3: Cross multiply
    21,306,053.55x = 31,959,080.33 × 9,362,117.55
  4. Step 4: Simplify right side
    21,306,053.55x = 299,204,666,792,542.25
  5. Step 5: Solve for x
    x = 299,204,666,792,542.25/21,306,053.55
  6. Step 6: Final answer
    x = 14,043,176.33

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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.