Home / 20,615,271.87-30,926,893.73-7,834,780.20

Finding the Fourth Proportional to 20,615,271.87, 30,926,893.73 and 7,834,780.20

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Solution

The fourth proportional to 20,615,271.87, 30,926,893.73 and 7,834,780.20 is: 11,753,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,271.87 : 30,926,893.73 = 7,834,780.20 : x
  2. Step 2: Convert to fraction form
    20,615,271.87/30,926,893.73 = 7,834,780.20/x
  3. Step 3: Cross multiply
    20,615,271.87x = 30,926,893.73 × 7,834,780.20
  4. Step 4: Simplify right side
    20,615,271.87x = 242,305,414,604,134.25
  5. Step 5: Solve for x
    x = 242,305,414,604,134.25/20,615,271.87
  6. Step 6: Final answer
    x = 11,753,685.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.