Home / 9,090,329.31-13,635,509.46-7,280,206.83

Finding the Fourth Proportional to 9,090,329.31, 13,635,509.46 and 7,280,206.83

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Solution

The fourth proportional to 9,090,329.31, 13,635,509.46 and 7,280,206.83 is: 10,920,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,329.31 : 13,635,509.46 = 7,280,206.83 : x
  2. Step 2: Convert to fraction form
    9,090,329.31/13,635,509.46 = 7,280,206.83/x
  3. Step 3: Cross multiply
    9,090,329.31x = 13,635,509.46 × 7,280,206.83
  4. Step 4: Simplify right side
    9,090,329.31x = 99,269,329,101,221.62
  5. Step 5: Solve for x
    x = 99,269,329,101,221.62/9,090,329.31
  6. Step 6: Final answer
    x = 10,920,322.65

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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.