Home / 27,884,750.70-38,480,188.10-15,494,523.60

Finding the Fourth Proportional to 27,884,750.70, 38,480,188.10 and 15,494,523.60

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Solution

The fourth proportional to 27,884,750.70, 38,480,188.10 and 15,494,523.60 is: 21,382,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884,750.70 : 38,480,188.10 = 15,494,523.60 : x
  2. Step 2: Convert to fraction form
    27,884,750.70/38,480,188.10 = 15,494,523.60/x
  3. Step 3: Cross multiply
    27,884,750.70x = 38,480,188.10 × 15,494,523.60
  4. Step 4: Simplify right side
    27,884,750.70x = 596,232,182,647,889.12
  5. Step 5: Solve for x
    x = 596,232,182,647,889.12/27,884,750.70
  6. Step 6: Final answer
    x = 21,382,015.89

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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.