Home / 12,107,080.19-16,698,322.94-7,756,571.31

Finding the Fourth Proportional to 12,107,080.19, 16,698,322.94 and 7,756,571.31

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Solution

The fourth proportional to 12,107,080.19, 16,698,322.94 and 7,756,571.31 is: 10,698,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,080.19 : 16,698,322.94 = 7,756,571.31 : x
  2. Step 2: Convert to fraction form
    12,107,080.19/16,698,322.94 = 7,756,571.31/x
  3. Step 3: Cross multiply
    12,107,080.19x = 16,698,322.94 × 7,756,571.31
  4. Step 4: Simplify right side
    12,107,080.19x = 129,521,732,540,117.30
  5. Step 5: Solve for x
    x = 129,521,732,540,117.30/12,107,080.19
  6. Step 6: Final answer
    x = 10,698,015.58

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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.