Home / 7,243,763.20-10,865,644.80-2,194,417.60

Finding the Fourth Proportional to 7,243,763.20, 10,865,644.80 and 2,194,417.60

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Solution

The fourth proportional to 7,243,763.20, 10,865,644.80 and 2,194,417.60 is: 3,291,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,763.20 : 10,865,644.80 = 2,194,417.60 : x
  2. Step 2: Convert to fraction form
    7,243,763.20/10,865,644.80 = 2,194,417.60/x
  3. Step 3: Cross multiply
    7,243,763.20x = 10,865,644.80 × 2,194,417.60
  4. Step 4: Simplify right side
    7,243,763.20x = 23,843,762,184,468.48
  5. Step 5: Solve for x
    x = 23,843,762,184,468.48/7,243,763.20
  6. Step 6: Final answer
    x = 3,291,626.40

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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.