Home / 7,929,123.70-10,943,932.54-5,213,122.42

Finding the Fourth Proportional to 7,929,123.70, 10,943,932.54 and 5,213,122.42

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Solution

The fourth proportional to 7,929,123.70, 10,943,932.54 and 5,213,122.42 is: 7,195,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,123.70 : 10,943,932.54 = 5,213,122.42 : x
  2. Step 2: Convert to fraction form
    7,929,123.70/10,943,932.54 = 5,213,122.42/x
  3. Step 3: Cross multiply
    7,929,123.70x = 10,943,932.54 × 5,213,122.42
  4. Step 4: Simplify right side
    7,929,123.70x = 57,052,060,087,241.54
  5. Step 5: Solve for x
    x = 57,052,060,087,241.54/7,929,123.70
  6. Step 6: Final answer
    x = 7,195,254.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.