Home / 15,287,839.98-21,096,582.02-8,318,544.90

Finding the Fourth Proportional to 15,287,839.98, 21,096,582.02 and 8,318,544.90

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Solution

The fourth proportional to 15,287,839.98, 21,096,582.02 and 8,318,544.90 is: 11,479,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,839.98 : 21,096,582.02 = 8,318,544.90 : x
  2. Step 2: Convert to fraction form
    15,287,839.98/21,096,582.02 = 8,318,544.90/x
  3. Step 3: Cross multiply
    15,287,839.98x = 21,096,582.02 × 8,318,544.90
  4. Step 4: Simplify right side
    15,287,839.98x = 175,492,864,769,902.69
  5. Step 5: Solve for x
    x = 175,492,864,769,902.69/15,287,839.98
  6. Step 6: Final answer
    x = 11,479,245.27

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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.