Home / 30,945,434.45-42,705,723.39-17,007,283.61

Finding the Fourth Proportional to 30,945,434.45, 42,705,723.39 and 17,007,283.61

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Solution

The fourth proportional to 30,945,434.45, 42,705,723.39 and 17,007,283.61 is: 23,470,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,434.45 : 42,705,723.39 = 17,007,283.61 : x
  2. Step 2: Convert to fraction form
    30,945,434.45/42,705,723.39 = 17,007,283.61/x
  3. Step 3: Cross multiply
    30,945,434.45x = 42,705,723.39 × 17,007,283.61
  4. Step 4: Simplify right side
    30,945,434.45x = 726,308,349,346,781.12
  5. Step 5: Solve for x
    x = 726,308,349,346,781.12/30,945,434.45
  6. Step 6: Final answer
    x = 23,470,614.08

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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.