Home / 14,005,839.38-19,328,019.50-7,810,891.94

Finding the Fourth Proportional to 14,005,839.38, 19,328,019.50 and 7,810,891.94

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Solution

The fourth proportional to 14,005,839.38, 19,328,019.50 and 7,810,891.94 is: 10,779,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,839.38 : 19,328,019.50 = 7,810,891.94 : x
  2. Step 2: Convert to fraction form
    14,005,839.38/19,328,019.50 = 7,810,891.94/x
  3. Step 3: Cross multiply
    14,005,839.38x = 19,328,019.50 × 7,810,891.94
  4. Step 4: Simplify right side
    14,005,839.38x = 150,969,071,728,712.84
  5. Step 5: Solve for x
    x = 150,969,071,728,712.84/14,005,839.38
  6. Step 6: Final answer
    x = 10,779,009.21

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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.