Home / 27,677,131.84-38,194,213.88-15,118,196.86

Finding the Fourth Proportional to 27,677,131.84, 38,194,213.88 and 15,118,196.86

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Solution

The fourth proportional to 27,677,131.84, 38,194,213.88 and 15,118,196.86 is: 20,862,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677,131.84 : 38,194,213.88 = 15,118,196.86 : x
  2. Step 2: Convert to fraction form
    27,677,131.84/38,194,213.88 = 15,118,196.86/x
  3. Step 3: Cross multiply
    27,677,131.84x = 38,194,213.88 × 15,118,196.86
  4. Step 4: Simplify right side
    27,677,131.84x = 577,427,644,350,784.38
  5. Step 5: Solve for x
    x = 577,427,644,350,784.38/27,677,131.84
  6. Step 6: Final answer
    x = 20,862,987.09

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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.