Home / 12,245,284.32-16,898,619.18-7,018,179.36

Finding the Fourth Proportional to 12,245,284.32, 16,898,619.18 and 7,018,179.36

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Solution

The fourth proportional to 12,245,284.32, 16,898,619.18 and 7,018,179.36 is: 9,685,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,284.32 : 16,898,619.18 = 7,018,179.36 : x
  2. Step 2: Convert to fraction form
    12,245,284.32/16,898,619.18 = 7,018,179.36/x
  3. Step 3: Cross multiply
    12,245,284.32x = 16,898,619.18 × 7,018,179.36
  4. Step 4: Simplify right side
    12,245,284.32x = 118,597,540,341,576.12
  5. Step 5: Solve for x
    x = 118,597,540,341,576.12/12,245,284.32
  6. Step 6: Final answer
    x = 9,685,160.20

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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.