Home / 13,317,244.89-19,918,162.28-7,839,287.63

Finding the Fourth Proportional to 13,317,244.89, 19,918,162.28 and 7,839,287.63

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Solution

The fourth proportional to 13,317,244.89, 19,918,162.28 and 7,839,287.63 is: 11,724,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,244.89 : 19,918,162.28 = 7,839,287.63 : x
  2. Step 2: Convert to fraction form
    13,317,244.89/19,918,162.28 = 7,839,287.63/x
  3. Step 3: Cross multiply
    13,317,244.89x = 19,918,162.28 × 7,839,287.63
  4. Step 4: Simplify right side
    13,317,244.89x = 156,144,203,035,149.34
  5. Step 5: Solve for x
    x = 156,144,203,035,149.34/13,317,244.89
  6. Step 6: Final answer
    x = 11,724,962.96

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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.