Home / 7,384,712.70-11,077,069.05-3,403,400.70

Finding the Fourth Proportional to 7,384,712.70, 11,077,069.05 and 3,403,400.70

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Solution

The fourth proportional to 7,384,712.70, 11,077,069.05 and 3,403,400.70 is: 5,105,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384,712.70 : 11,077,069.05 = 3,403,400.70 : x
  2. Step 2: Convert to fraction form
    7,384,712.70/11,077,069.05 = 3,403,400.70/x
  3. Step 3: Cross multiply
    7,384,712.70x = 11,077,069.05 × 3,403,400.70
  4. Step 4: Simplify right side
    7,384,712.70x = 37,699,704,558,718.34
  5. Step 5: Solve for x
    x = 37,699,704,558,718.34/7,384,712.70
  6. Step 6: Final answer
    x = 5,105,101.05

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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.