Home / 20,455,586.17-28,228,701.46-11,163,156.26

Finding the Fourth Proportional to 20,455,586.17, 28,228,701.46 and 11,163,156.26

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Solution

The fourth proportional to 20,455,586.17, 28,228,701.46 and 11,163,156.26 is: 15,405,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,586.17 : 28,228,701.46 = 11,163,156.26 : x
  2. Step 2: Convert to fraction form
    20,455,586.17/28,228,701.46 = 11,163,156.26/x
  3. Step 3: Cross multiply
    20,455,586.17x = 28,228,701.46 × 11,163,156.26
  4. Step 4: Simplify right side
    20,455,586.17x = 315,121,405,565,263
  5. Step 5: Solve for x
    x = 315,121,405,565,263/20,455,586.17
  6. Step 6: Final answer
    x = 15,405,151.58

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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.