Home / 7,715,505.80-11,573,889.78-3,875,353.64

Finding the Fourth Proportional to 7,715,505.80, 11,573,889.78 and 3,875,353.64

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Solution

The fourth proportional to 7,715,505.80, 11,573,889.78 and 3,875,353.64 is: 5,813,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,505.80 : 11,573,889.78 = 3,875,353.64 : x
  2. Step 2: Convert to fraction form
    7,715,505.80/11,573,889.78 = 3,875,353.64/x
  3. Step 3: Cross multiply
    7,715,505.80x = 11,573,889.78 × 3,875,353.64
  4. Step 4: Simplify right side
    7,715,505.80x = 44,852,915,887,881.80
  5. Step 5: Solve for x
    x = 44,852,915,887,881.80/7,715,505.80
  6. Step 6: Final answer
    x = 5,813,347.44

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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.