Home / 27,780,300.70-38,336,805.02-15,391,197.34

Finding the Fourth Proportional to 27,780,300.70, 38,336,805.02 and 15,391,197.34

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Solution

The fourth proportional to 27,780,300.70, 38,336,805.02 and 15,391,197.34 is: 21,239,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780,300.70 : 38,336,805.02 = 15,391,197.34 : x
  2. Step 2: Convert to fraction form
    27,780,300.70/38,336,805.02 = 15,391,197.34/x
  3. Step 3: Cross multiply
    27,780,300.70x = 38,336,805.02 × 15,391,197.34
  4. Step 4: Simplify right side
    27,780,300.70x = 590,049,331,447,922.75
  5. Step 5: Solve for x
    x = 590,049,331,447,922.75/27,780,300.70
  6. Step 6: Final answer
    x = 21,239,846.82

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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.