Home / 9,866,180.79-13,615,384.10-5,515,450.47

Finding the Fourth Proportional to 9,866,180.79, 13,615,384.10 and 5,515,450.47

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Solution

The fourth proportional to 9,866,180.79, 13,615,384.10 and 5,515,450.47 is: 7,611,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,180.79 : 13,615,384.10 = 5,515,450.47 : x
  2. Step 2: Convert to fraction form
    9,866,180.79/13,615,384.10 = 5,515,450.47/x
  3. Step 3: Cross multiply
    9,866,180.79x = 13,615,384.10 × 5,515,450.47
  4. Step 4: Simplify right side
    9,866,180.79x = 75,094,976,605,998.28
  5. Step 5: Solve for x
    x = 75,094,976,605,998.28/9,866,180.79
  6. Step 6: Final answer
    x = 7,611,352.17

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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.