Home / 9,627,784.80-13,284,601.20-6,189,237.60

Finding the Fourth Proportional to 9,627,784.80, 13,284,601.20 and 6,189,237.60

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Solution

The fourth proportional to 9,627,784.80, 13,284,601.20 and 6,189,237.60 is: 8,540,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627,784.80 : 13,284,601.20 = 6,189,237.60 : x
  2. Step 2: Convert to fraction form
    9,627,784.80/13,284,601.20 = 6,189,237.60/x
  3. Step 3: Cross multiply
    9,627,784.80x = 13,284,601.20 × 6,189,237.60
  4. Step 4: Simplify right side
    9,627,784.80x = 82,221,553,248,045.11
  5. Step 5: Solve for x
    x = 82,221,553,248,045.11/9,627,784.80
  6. Step 6: Final answer
    x = 8,540,028.15

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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.