Home / 39,342,019.41-54,292,039.09-21,700,526.34

Finding the Fourth Proportional to 39,342,019.41, 54,292,039.09 and 21,700,526.34

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Solution

The fourth proportional to 39,342,019.41, 54,292,039.09 and 21,700,526.34 is: 29,946,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342,019.41 : 54,292,039.09 = 21,700,526.34 : x
  2. Step 2: Convert to fraction form
    39,342,019.41/54,292,039.09 = 21,700,526.34/x
  3. Step 3: Cross multiply
    39,342,019.41x = 54,292,039.09 × 21,700,526.34
  4. Step 4: Simplify right side
    39,342,019.41x = 1,178,165,824,324,854.75
  5. Step 5: Solve for x
    x = 1,178,165,824,324,854.75/39,342,019.41
  6. Step 6: Final answer
    x = 29,946,755.20

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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.