Home / 7,889,721.75-11,824,703.28-4,237,476.39

Finding the Fourth Proportional to 7,889,721.75, 11,824,703.28 and 4,237,476.39

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Solution

The fourth proportional to 7,889,721.75, 11,824,703.28 and 4,237,476.39 is: 6,350,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,721.75 : 11,824,703.28 = 4,237,476.39 : x
  2. Step 2: Convert to fraction form
    7,889,721.75/11,824,703.28 = 4,237,476.39/x
  3. Step 3: Cross multiply
    7,889,721.75x = 11,824,703.28 × 4,237,476.39
  4. Step 4: Simplify right side
    7,889,721.75x = 50,106,900,967,755.55
  5. Step 5: Solve for x
    x = 50,106,900,967,755.55/7,889,721.75
  6. Step 6: Final answer
    x = 6,350,908.51

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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.