Home / 20,496,124.01-28,284,652.44-11,203,730.88

Finding the Fourth Proportional to 20,496,124.01, 28,284,652.44 and 11,203,730.88

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Solution

The fourth proportional to 20,496,124.01, 28,284,652.44 and 11,203,730.88 is: 15,461,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,124.01 : 28,284,652.44 = 11,203,730.88 : x
  2. Step 2: Convert to fraction form
    20,496,124.01/28,284,652.44 = 11,203,730.88/x
  3. Step 3: Cross multiply
    20,496,124.01x = 28,284,652.44 × 11,203,730.88
  4. Step 4: Simplify right side
    20,496,124.01x = 316,893,633,972,095.38
  5. Step 5: Solve for x
    x = 316,893,633,972,095.38/20,496,124.01
  6. Step 6: Final answer
    x = 15,461,149.33

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1.5x scale

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.