Home / 38,676,300.24-53,373,343.32-21,272,679.12

Finding the Fourth Proportional to 38,676,300.24, 53,373,343.32 and 21,272,679.12

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Solution

The fourth proportional to 38,676,300.24, 53,373,343.32 and 21,272,679.12 is: 29,356,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,300.24 : 53,373,343.32 = 21,272,679.12 : x
  2. Step 2: Convert to fraction form
    38,676,300.24/53,373,343.32 = 21,272,679.12/x
  3. Step 3: Cross multiply
    38,676,300.24x = 53,373,343.32 × 21,272,679.12
  4. Step 4: Simplify right side
    38,676,300.24x = 1,135,394,006,007,955.50
  5. Step 5: Solve for x
    x = 1,135,394,006,007,955.50/38,676,300.24
  6. Step 6: Final answer
    x = 29,356,324.13

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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.