Home / 7,318,156.45-10,969,927.36-4,891,353.72

Finding the Fourth Proportional to 7,318,156.45, 10,969,927.36 and 4,891,353.72

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Solution

The fourth proportional to 7,318,156.45, 10,969,927.36 and 4,891,353.72 is: 7,332,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,156.45 : 10,969,927.36 = 4,891,353.72 : x
  2. Step 2: Convert to fraction form
    7,318,156.45/10,969,927.36 = 4,891,353.72/x
  3. Step 3: Cross multiply
    7,318,156.45x = 10,969,927.36 × 4,891,353.72
  4. Step 4: Simplify right side
    7,318,156.45x = 53,657,794,988,237.39
  5. Step 5: Solve for x
    x = 53,657,794,988,237.39/7,318,156.45
  6. Step 6: Final answer
    x = 7,332,146.47

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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.