Home / 27,661,142.35-38,136,890.27-22,681,236.43

Finding the Fourth Proportional to 27,661,142.35, 38,136,890.27 and 22,681,236.43

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Solution

The fourth proportional to 27,661,142.35, 38,136,890.27 and 22,681,236.43 is: 31,271,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661,142.35 : 38,136,890.27 = 22,681,236.43 : x
  2. Step 2: Convert to fraction form
    27,661,142.35/38,136,890.27 = 22,681,236.43/x
  3. Step 3: Cross multiply
    27,661,142.35x = 38,136,890.27 × 22,681,236.43
  4. Step 4: Simplify right side
    27,661,142.35x = 864,991,825,023,210.75
  5. Step 5: Solve for x
    x = 864,991,825,023,210.75/27,661,142.35
  6. Step 6: Final answer
    x = 31,271,008.77

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1.5x scale

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.