Home / 7,989,021.55-11,983,532.33-4,959,807.85

Finding the Fourth Proportional to 7,989,021.55, 11,983,532.33 and 4,959,807.85

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Solution

The fourth proportional to 7,989,021.55, 11,983,532.33 and 4,959,807.85 is: 7,439,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,021.55 : 11,983,532.33 = 4,959,807.85 : x
  2. Step 2: Convert to fraction form
    7,989,021.55/11,983,532.33 = 4,959,807.85/x
  3. Step 3: Cross multiply
    7,989,021.55x = 11,983,532.33 × 4,959,807.85
  4. Step 4: Simplify right side
    7,989,021.55x = 59,436,017,696,263.74
  5. Step 5: Solve for x
    x = 59,436,017,696,263.74/7,989,021.55
  6. Step 6: Final answer
    x = 7,439,711.78

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Double scale
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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.