Home / 15,775,816.50-21,770,628.39-8,532,472.50

Finding the Fourth Proportional to 15,775,816.50, 21,770,628.39 and 8,532,472.50

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Solution

The fourth proportional to 15,775,816.50, 21,770,628.39 and 8,532,472.50 is: 11,774,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775,816.50 : 21,770,628.39 = 8,532,472.50 : x
  2. Step 2: Convert to fraction form
    15,775,816.50/21,770,628.39 = 8,532,472.50/x
  3. Step 3: Cross multiply
    15,775,816.50x = 21,770,628.39 × 8,532,472.50
  4. Step 4: Simplify right side
    15,775,816.50x = 185,757,288,045,394.28
  5. Step 5: Solve for x
    x = 185,757,288,045,394.28/15,775,816.50
  6. Step 6: Final answer
    x = 11,774,812.93

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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.