Home / 13,789,339.69-19,028,674.67-7,904,755.23

Finding the Fourth Proportional to 13,789,339.69, 19,028,674.67 and 7,904,755.23

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Solution

The fourth proportional to 13,789,339.69, 19,028,674.67 and 7,904,755.23 is: 10,908,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,339.69 : 19,028,674.67 = 7,904,755.23 : x
  2. Step 2: Convert to fraction form
    13,789,339.69/19,028,674.67 = 7,904,755.23/x
  3. Step 3: Cross multiply
    13,789,339.69x = 19,028,674.67 × 7,904,755.23
  4. Step 4: Simplify right side
    13,789,339.69x = 150,417,015,522,507.66
  5. Step 5: Solve for x
    x = 150,417,015,522,507.66/13,789,339.69
  6. Step 6: Final answer
    x = 10,908,210.18

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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.