Home / 14,626,828.80-20,185,080.12-8,100,315.36

Finding the Fourth Proportional to 14,626,828.80, 20,185,080.12 and 8,100,315.36

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Solution

The fourth proportional to 14,626,828.80, 20,185,080.12 and 8,100,315.36 is: 11,178,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,828.80 : 20,185,080.12 = 8,100,315.36 : x
  2. Step 2: Convert to fraction form
    14,626,828.80/20,185,080.12 = 8,100,315.36/x
  3. Step 3: Cross multiply
    14,626,828.80x = 20,185,080.12 × 8,100,315.36
  4. Step 4: Simplify right side
    14,626,828.80x = 163,505,514,538,866.66
  5. Step 5: Solve for x
    x = 163,505,514,538,866.66/14,626,828.80
  6. Step 6: Final answer
    x = 11,178,466.42

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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.