Home / 19,172,851.07-26,459,187.42-11,339,078.57

Finding the Fourth Proportional to 19,172,851.07, 26,459,187.42 and 11,339,078.57

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Solution

The fourth proportional to 19,172,851.07, 26,459,187.42 and 11,339,078.57 is: 15,648,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,851.07 : 26,459,187.42 = 11,339,078.57 : x
  2. Step 2: Convert to fraction form
    19,172,851.07/26,459,187.42 = 11,339,078.57/x
  3. Step 3: Cross multiply
    19,172,851.07x = 26,459,187.42 × 11,339,078.57
  4. Step 4: Simplify right side
    19,172,851.07x = 300,022,804,921,439.69
  5. Step 5: Solve for x
    x = 300,022,804,921,439.69/19,172,851.07
  6. Step 6: Final answer
    x = 15,648,314.58

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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.