Home / 15,287,828.22-21,096,565.83-8,318,533.14

Finding the Fourth Proportional to 15,287,828.22, 21,096,565.83 and 8,318,533.14

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Solution

The fourth proportional to 15,287,828.22, 21,096,565.83 and 8,318,533.14 is: 11,479,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,828.22 : 21,096,565.83 = 8,318,533.14 : x
  2. Step 2: Convert to fraction form
    15,287,828.22/21,096,565.83 = 8,318,533.14/x
  3. Step 3: Cross multiply
    15,287,828.22x = 21,096,565.83 × 8,318,533.14
  4. Step 4: Simplify right side
    15,287,828.22x = 175,492,481,997,046.59
  5. Step 5: Solve for x
    x = 175,492,481,997,046.59/15,287,828.22
  6. Step 6: Final answer
    x = 11,479,229.06

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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.