Home / 20,307,817.39-28,024,624.47-11,015,364.28

Finding the Fourth Proportional to 20,307,817.39, 28,024,624.47 and 11,015,364.28

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Solution

The fourth proportional to 20,307,817.39, 28,024,624.47 and 11,015,364.28 is: 15,201,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,817.39 : 28,024,624.47 = 11,015,364.28 : x
  2. Step 2: Convert to fraction form
    20,307,817.39/28,024,624.47 = 11,015,364.28/x
  3. Step 3: Cross multiply
    20,307,817.39x = 28,024,624.47 × 11,015,364.28
  4. Step 4: Simplify right side
    20,307,817.39x = 308,701,447,347,251.88
  5. Step 5: Solve for x
    x = 308,701,447,347,251.88/20,307,817.39
  6. Step 6: Final answer
    x = 15,201,114.01

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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.