Home / 11,240,133.36-15,511,760.16-6,888,379.25

Finding the Fourth Proportional to 11,240,133.36, 15,511,760.16 and 6,888,379.25

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Solution

The fourth proportional to 11,240,133.36, 15,511,760.16 and 6,888,379.25 is: 9,506,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,133.36 : 15,511,760.16 = 6,888,379.25 : x
  2. Step 2: Convert to fraction form
    11,240,133.36/15,511,760.16 = 6,888,379.25/x
  3. Step 3: Cross multiply
    11,240,133.36x = 15,511,760.16 × 6,888,379.25
  4. Step 4: Simplify right side
    11,240,133.36x = 106,850,886,817,120.69
  5. Step 5: Solve for x
    x = 106,850,886,817,120.69/11,240,133.36
  6. Step 6: Final answer
    x = 9,506,193.87

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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.