Home / 7,421,972.40-11,132,958.60-5,740,282.80

Finding the Fourth Proportional to 7,421,972.40, 11,132,958.60 and 5,740,282.80

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Solution

The fourth proportional to 7,421,972.40, 11,132,958.60 and 5,740,282.80 is: 8,610,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,972.40 : 11,132,958.60 = 5,740,282.80 : x
  2. Step 2: Convert to fraction form
    7,421,972.40/11,132,958.60 = 5,740,282.80/x
  3. Step 3: Cross multiply
    7,421,972.40x = 11,132,958.60 × 5,740,282.80
  4. Step 4: Simplify right side
    7,421,972.40x = 63,906,330,764,692.08
  5. Step 5: Solve for x
    x = 63,906,330,764,692.08/7,421,972.40
  6. Step 6: Final answer
    x = 8,610,424.20

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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.