Home / 12,509,770.50-17,263,366.65-7,077,262.50

Finding the Fourth Proportional to 12,509,770.50, 17,263,366.65 and 7,077,262.50

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Solution

The fourth proportional to 12,509,770.50, 17,263,366.65 and 7,077,262.50 is: 9,766,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,770.50 : 17,263,366.65 = 7,077,262.50 : x
  2. Step 2: Convert to fraction form
    12,509,770.50/17,263,366.65 = 7,077,262.50/x
  3. Step 3: Cross multiply
    12,509,770.50x = 17,263,366.65 × 7,077,262.50
  4. Step 4: Simplify right side
    12,509,770.50x = 122,177,377,415,795.61
  5. Step 5: Solve for x
    x = 122,177,377,415,795.61/12,509,770.50
  6. Step 6: Final answer
    x = 9,766,556.26

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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.