Home / 39,070,997.10-53,918,121.15-21,668,950.62

Finding the Fourth Proportional to 39,070,997.10, 53,918,121.15 and 21,668,950.62

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Solution

The fourth proportional to 39,070,997.10, 53,918,121.15 and 21,668,950.62 is: 29,903,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070,997.10 : 53,918,121.15 = 21,668,950.62 : x
  2. Step 2: Convert to fraction form
    39,070,997.10/53,918,121.15 = 21,668,950.62/x
  3. Step 3: Cross multiply
    39,070,997.10x = 53,918,121.15 × 21,668,950.62
  4. Step 4: Simplify right side
    39,070,997.10x = 1,168,349,104,722,527.75
  5. Step 5: Solve for x
    x = 1,168,349,104,722,527.75/39,070,997.10
  6. Step 6: Final answer
    x = 29,903,232.36

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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.