Home / 14,231,795.80-19,639,852.24-7,705,424.40

Finding the Fourth Proportional to 14,231,795.80, 19,639,852.24 and 7,705,424.40

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Solution

The fourth proportional to 14,231,795.80, 19,639,852.24 and 7,705,424.40 is: 10,633,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231,795.80 : 19,639,852.24 = 7,705,424.40 : x
  2. Step 2: Convert to fraction form
    14,231,795.80/19,639,852.24 = 7,705,424.40/x
  3. Step 3: Cross multiply
    14,231,795.80x = 19,639,852.24 × 7,705,424.40
  4. Step 4: Simplify right side
    14,231,795.80x = 151,333,396,662,490.66
  5. Step 5: Solve for x
    x = 151,333,396,662,490.66/14,231,795.80
  6. Step 6: Final answer
    x = 10,633,471.61

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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.