Home / 30,045,170.70-45,067,756.05-10,869,007.95

Finding the Fourth Proportional to 30,045,170.70, 45,067,756.05 and 10,869,007.95

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Solution

The fourth proportional to 30,045,170.70, 45,067,756.05 and 10,869,007.95 is: 16,303,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045,170.70 : 45,067,756.05 = 10,869,007.95 : x
  2. Step 2: Convert to fraction form
    30,045,170.70/45,067,756.05 = 10,869,007.95/x
  3. Step 3: Cross multiply
    30,045,170.70x = 45,067,756.05 × 10,869,007.95
  4. Step 4: Simplify right side
    30,045,170.70x = 489,841,798,796,110.56
  5. Step 5: Solve for x
    x = 489,841,798,796,110.56/30,045,170.70
  6. Step 6: Final answer
    x = 16,303,511.93

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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.