Home / 14,678,619.52-20,256,745.36-8,063,486.90

Finding the Fourth Proportional to 14,678,619.52, 20,256,745.36 and 8,063,486.90

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Solution

The fourth proportional to 14,678,619.52, 20,256,745.36 and 8,063,486.90 is: 11,127,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678,619.52 : 20,256,745.36 = 8,063,486.90 : x
  2. Step 2: Convert to fraction form
    14,678,619.52/20,256,745.36 = 8,063,486.90/x
  3. Step 3: Cross multiply
    14,678,619.52x = 20,256,745.36 × 8,063,486.90
  4. Step 4: Simplify right side
    14,678,619.52x = 163,340,000,846,995.78
  5. Step 5: Solve for x
    x = 163,340,000,846,995.78/14,678,619.52
  6. Step 6: Final answer
    x = 11,127,749.49

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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.