Home / 39,014,109.38-53,839,475.62-21,611,581.76

Finding the Fourth Proportional to 39,014,109.38, 53,839,475.62 and 21,611,581.76

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Solution

The fourth proportional to 39,014,109.38, 53,839,475.62 and 21,611,581.76 is: 29,823,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,014,109.38 : 53,839,475.62 = 21,611,581.76 : x
  2. Step 2: Convert to fraction form
    39,014,109.38/53,839,475.62 = 21,611,581.76/x
  3. Step 3: Cross multiply
    39,014,109.38x = 53,839,475.62 × 21,611,581.76
  4. Step 4: Simplify right side
    39,014,109.38x = 1,163,556,229,277,156.75
  5. Step 5: Solve for x
    x = 1,163,556,229,277,156.75/39,014,109.38
  6. Step 6: Final answer
    x = 29,823,985.42

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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.