Home / 14,375,755.78-19,839,346.40-7,849,990.78

Finding the Fourth Proportional to 14,375,755.78, 19,839,346.40 and 7,849,990.78

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Solution

The fourth proportional to 14,375,755.78, 19,839,346.40 and 7,849,990.78 is: 10,833,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375,755.78 : 19,839,346.40 = 7,849,990.78 : x
  2. Step 2: Convert to fraction form
    14,375,755.78/19,839,346.40 = 7,849,990.78/x
  3. Step 3: Cross multiply
    14,375,755.78x = 19,839,346.40 × 7,849,990.78
  4. Step 4: Simplify right side
    14,375,755.78x = 155,738,686,321,226.19
  5. Step 5: Solve for x
    x = 155,738,686,321,226.19/14,375,755.78
  6. Step 6: Final answer
    x = 10,833,425.99

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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.