Home / 21,204,340.16-31,777,083.76-9,661,598.49

Finding the Fourth Proportional to 21,204,340.16, 31,777,083.76 and 9,661,598.49

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Solution

The fourth proportional to 21,204,340.16, 31,777,083.76 and 9,661,598.49 is: 14,478,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,340.16 : 31,777,083.76 = 9,661,598.49 : x
  2. Step 2: Convert to fraction form
    21,204,340.16/31,777,083.76 = 9,661,598.49/x
  3. Step 3: Cross multiply
    21,204,340.16x = 31,777,083.76 × 9,661,598.49
  4. Step 4: Simplify right side
    21,204,340.16x = 307,017,424,265,026.06
  5. Step 5: Solve for x
    x = 307,017,424,265,026.06/21,204,340.16
  6. Step 6: Final answer
    x = 14,478,989.77

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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.