Home / 9,640,329.92-13,303,206.24-5,289,318.08

Finding the Fourth Proportional to 9,640,329.92, 13,303,206.24 and 5,289,318.08

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Solution

The fourth proportional to 9,640,329.92, 13,303,206.24 and 5,289,318.08 is: 7,299,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640,329.92 : 13,303,206.24 = 5,289,318.08 : x
  2. Step 2: Convert to fraction form
    9,640,329.92/13,303,206.24 = 5,289,318.08/x
  3. Step 3: Cross multiply
    9,640,329.92x = 13,303,206.24 × 5,289,318.08
  4. Step 4: Simplify right side
    9,640,329.92x = 70,364,889,287,200.82
  5. Step 5: Solve for x
    x = 70,364,889,287,200.82/9,640,329.92
  6. Step 6: Final answer
    x = 7,299,012.57

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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.