Home / 20,133,626.88-27,776,156.16-11,429,913.60

Finding the Fourth Proportional to 20,133,626.88, 27,776,156.16 and 11,429,913.60

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Solution

The fourth proportional to 20,133,626.88, 27,776,156.16 and 11,429,913.60 is: 15,768,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133,626.88 : 27,776,156.16 = 11,429,913.60 : x
  2. Step 2: Convert to fraction form
    20,133,626.88/27,776,156.16 = 11,429,913.60/x
  3. Step 3: Cross multiply
    20,133,626.88x = 27,776,156.16 × 11,429,913.60
  4. Step 4: Simplify right side
    20,133,626.88x = 317,479,065,048,907.75
  5. Step 5: Solve for x
    x = 317,479,065,048,907.75/20,133,626.88
  6. Step 6: Final answer
    x = 15,768,597.83

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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.