Home / 15,392,173.53-21,240,872.08-8,422,823.27

Finding the Fourth Proportional to 15,392,173.53, 21,240,872.08 and 8,422,823.27

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Solution

The fourth proportional to 15,392,173.53, 21,240,872.08 and 8,422,823.27 is: 11,623,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,173.53 : 21,240,872.08 = 8,422,823.27 : x
  2. Step 2: Convert to fraction form
    15,392,173.53/21,240,872.08 = 8,422,823.27/x
  3. Step 3: Cross multiply
    15,392,173.53x = 21,240,872.08 × 8,422,823.27
  4. Step 4: Simplify right side
    15,392,173.53x = 178,908,111,582,909.19
  5. Step 5: Solve for x
    x = 178,908,111,582,909.19/15,392,173.53
  6. Step 6: Final answer
    x = 11,623,316.96

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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.