Home / 11,656,221.20-17,465,669.40-7,388,752.40

Finding the Fourth Proportional to 11,656,221.20, 17,465,669.40 and 7,388,752.40

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Solution

The fourth proportional to 11,656,221.20, 17,465,669.40 and 7,388,752.40 is: 11,071,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656,221.20 : 17,465,669.40 = 7,388,752.40 : x
  2. Step 2: Convert to fraction form
    11,656,221.20/17,465,669.40 = 7,388,752.40/x
  3. Step 3: Cross multiply
    11,656,221.20x = 17,465,669.40 × 7,388,752.40
  4. Step 4: Simplify right side
    11,656,221.20x = 129,049,506,696,856.56
  5. Step 5: Solve for x
    x = 129,049,506,696,856.56/11,656,221.20
  6. Step 6: Final answer
    x = 11,071,298.71

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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.