Home / 21,302,356.46-29,397,386.70-11,512,777.66

Finding the Fourth Proportional to 21,302,356.46, 29,397,386.70 and 11,512,777.66

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Solution

The fourth proportional to 21,302,356.46, 29,397,386.70 and 11,512,777.66 is: 15,887,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,356.46 : 29,397,386.70 = 11,512,777.66 : x
  2. Step 2: Convert to fraction form
    21,302,356.46/29,397,386.70 = 11,512,777.66/x
  3. Step 3: Cross multiply
    21,302,356.46x = 29,397,386.70 × 11,512,777.66
  4. Step 4: Simplify right side
    21,302,356.46x = 338,445,576,788,647.69
  5. Step 5: Solve for x
    x = 338,445,576,788,647.69/21,302,356.46
  6. Step 6: Final answer
    x = 15,887,706.02

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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.