Home / 12,696,849.24-17,522,732.55-7,191,203.50

Finding the Fourth Proportional to 12,696,849.24, 17,522,732.55 and 7,191,203.50

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Solution

The fourth proportional to 12,696,849.24, 17,522,732.55 and 7,191,203.50 is: 9,924,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,849.24 : 17,522,732.55 = 7,191,203.50 : x
  2. Step 2: Convert to fraction form
    12,696,849.24/17,522,732.55 = 7,191,203.50/x
  3. Step 3: Cross multiply
    12,696,849.24x = 17,522,732.55 × 7,191,203.50
  4. Step 4: Simplify right side
    12,696,849.24x = 126,009,535,643,123.94
  5. Step 5: Solve for x
    x = 126,009,535,643,123.94/12,696,849.24
  6. Step 6: Final answer
    x = 9,924,472.86

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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.