Home / 28,082,192.88-38,750,670.36-15,856,687.92

Finding the Fourth Proportional to 28,082,192.88, 38,750,670.36 and 15,856,687.92

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Solution

The fourth proportional to 28,082,192.88, 38,750,670.36 and 15,856,687.92 is: 21,880,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,192.88 : 38,750,670.36 = 15,856,687.92 : x
  2. Step 2: Convert to fraction form
    28,082,192.88/38,750,670.36 = 15,856,687.92/x
  3. Step 3: Cross multiply
    28,082,192.88x = 38,750,670.36 × 15,856,687.92
  4. Step 4: Simplify right side
    28,082,192.88x = 614,457,286,589,314
  5. Step 5: Solve for x
    x = 614,457,286,589,314/28,082,192.88
  6. Step 6: Final answer
    x = 21,880,673.25

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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.