Home / 14,652,609.10-20,221,842.45-8,128,340.44

Finding the Fourth Proportional to 14,652,609.10, 20,221,842.45 and 8,128,340.44

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Solution

The fourth proportional to 14,652,609.10, 20,221,842.45 and 8,128,340.44 is: 11,217,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,609.10 : 20,221,842.45 = 8,128,340.44 : x
  2. Step 2: Convert to fraction form
    14,652,609.10/20,221,842.45 = 8,128,340.44/x
  3. Step 3: Cross multiply
    14,652,609.10x = 20,221,842.45 × 8,128,340.44
  4. Step 4: Simplify right side
    14,652,609.10x = 164,370,019,757,643.69
  5. Step 5: Solve for x
    x = 164,370,019,757,643.69/14,652,609.10
  6. Step 6: Final answer
    x = 11,217,798.73

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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.