Home / 30,422,570.92-45,635,518.46-7,703,665

Finding the Fourth Proportional to 30,422,570.92, 45,635,518.46 and 7,703,665

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Solution

The fourth proportional to 30,422,570.92, 45,635,518.46 and 7,703,665 is: 11,555,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422,570.92 : 45,635,518.46 = 7,703,665 : x
  2. Step 2: Convert to fraction form
    30,422,570.92/45,635,518.46 = 7,703,665/x
  3. Step 3: Cross multiply
    30,422,570.92x = 45,635,518.46 × 7,703,665
  4. Step 4: Simplify right side
    30,422,570.92x = 351,560,746,317,155.94
  5. Step 5: Solve for x
    x = 351,560,746,317,155.94/30,422,570.92
  6. Step 6: Final answer
    x = 11,555,918.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.