Home / 13,366,371.13-18,445,098.77-7,254,668.41

Finding the Fourth Proportional to 13,366,371.13, 18,445,098.77 and 7,254,668.41

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Solution

The fourth proportional to 13,366,371.13, 18,445,098.77 and 7,254,668.41 is: 10,011,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,371.13 : 18,445,098.77 = 7,254,668.41 : x
  2. Step 2: Convert to fraction form
    13,366,371.13/18,445,098.77 = 7,254,668.41/x
  3. Step 3: Cross multiply
    13,366,371.13x = 18,445,098.77 × 7,254,668.41
  4. Step 4: Simplify right side
    13,366,371.13x = 133,813,075,310,867.78
  5. Step 5: Solve for x
    x = 133,813,075,310,867.78/13,366,371.13
  6. Step 6: Final answer
    x = 10,011,174.61

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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.