Home / 7,724,138.30-11,586,207.45-4,322,915.90

Finding the Fourth Proportional to 7,724,138.30, 11,586,207.45 and 4,322,915.90

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Solution

The fourth proportional to 7,724,138.30, 11,586,207.45 and 4,322,915.90 is: 6,484,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,138.30 : 11,586,207.45 = 4,322,915.90 : x
  2. Step 2: Convert to fraction form
    7,724,138.30/11,586,207.45 = 4,322,915.90/x
  3. Step 3: Cross multiply
    7,724,138.30x = 11,586,207.45 × 4,322,915.90
  4. Step 4: Simplify right side
    7,724,138.30x = 50,086,200,406,303.45
  5. Step 5: Solve for x
    x = 50,086,200,406,303.45/7,724,138.30
  6. Step 6: Final answer
    x = 6,484,373.85

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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.