Home / 30,885,380.05-42,604,116.46-19,262,765.29

Finding the Fourth Proportional to 30,885,380.05, 42,604,116.46 and 19,262,765.29

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Solution

The fourth proportional to 30,885,380.05, 42,604,116.46 and 19,262,765.29 is: 26,571,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,380.05 : 42,604,116.46 = 19,262,765.29 : x
  2. Step 2: Convert to fraction form
    30,885,380.05/42,604,116.46 = 19,262,765.29/x
  3. Step 3: Cross multiply
    30,885,380.05x = 42,604,116.46 × 19,262,765.29
  4. Step 4: Simplify right side
    30,885,380.05x = 820,673,095,756,805.62
  5. Step 5: Solve for x
    x = 820,673,095,756,805.62/30,885,380.05
  6. Step 6: Final answer
    x = 26,571,571.87

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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.