Home / 7,372,109.12-10,172,277.12-4,108,208.40

Finding the Fourth Proportional to 7,372,109.12, 10,172,277.12 and 4,108,208.40

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Solution

The fourth proportional to 7,372,109.12, 10,172,277.12 and 4,108,208.40 is: 5,668,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,109.12 : 10,172,277.12 = 4,108,208.40 : x
  2. Step 2: Convert to fraction form
    7,372,109.12/10,172,277.12 = 4,108,208.40/x
  3. Step 3: Cross multiply
    7,372,109.12x = 10,172,277.12 × 4,108,208.40
  4. Step 4: Simplify right side
    7,372,109.12x = 41,789,834,311,511.80
  5. Step 5: Solve for x
    x = 41,789,834,311,511.80/7,372,109.12
  6. Step 6: Final answer
    x = 5,668,640.23

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1.5x scale

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.