Home / 39,283,555.17-54,215,534.55-21,644,231.04

Finding the Fourth Proportional to 39,283,555.17, 54,215,534.55 and 21,644,231.04

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Solution

The fourth proportional to 39,283,555.17, 54,215,534.55 and 21,644,231.04 is: 29,871,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283,555.17 : 54,215,534.55 = 21,644,231.04 : x
  2. Step 2: Convert to fraction form
    39,283,555.17/54,215,534.55 = 21,644,231.04/x
  3. Step 3: Cross multiply
    39,283,555.17x = 54,215,534.55 × 21,644,231.04
  4. Step 4: Simplify right side
    39,283,555.17x = 1,173,453,555,757,302.25
  5. Step 5: Solve for x
    x = 1,173,453,555,757,302.25/39,283,555.17
  6. Step 6: Final answer
    x = 29,871,368.58

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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.