Home / 13,604,128.06-18,775,022.79-10,160,390.38

Finding the Fourth Proportional to 13,604,128.06, 18,775,022.79 and 10,160,390.38

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Solution

The fourth proportional to 13,604,128.06, 18,775,022.79 and 10,160,390.38 is: 14,022,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,128.06 : 18,775,022.79 = 10,160,390.38 : x
  2. Step 2: Convert to fraction form
    13,604,128.06/18,775,022.79 = 10,160,390.38/x
  3. Step 3: Cross multiply
    13,604,128.06x = 18,775,022.79 × 10,160,390.38
  4. Step 4: Simplify right side
    13,604,128.06x = 190,761,560,939,796.78
  5. Step 5: Solve for x
    x = 190,761,560,939,796.78/13,604,128.06
  6. Step 6: Final answer
    x = 14,022,329.11

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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.