Home / 13,317,244.39-19,918,161.53-7,839,287.12

Finding the Fourth Proportional to 13,317,244.39, 19,918,161.53 and 7,839,287.12

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Solution

The fourth proportional to 13,317,244.39, 19,918,161.53 and 7,839,287.12 is: 11,724,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,244.39 : 19,918,161.53 = 7,839,287.12 : x
  2. Step 2: Convert to fraction form
    13,317,244.39/19,918,161.53 = 7,839,287.12/x
  3. Step 3: Cross multiply
    13,317,244.39x = 19,918,161.53 × 7,839,287.12
  4. Step 4: Simplify right side
    13,317,244.39x = 156,144,187,176,204.78
  5. Step 5: Solve for x
    x = 156,144,187,176,204.78/13,317,244.39
  6. Step 6: Final answer
    x = 11,724,962.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.