Home / 19,608,658.28-29,402,187.72-8,091,507.61

Finding the Fourth Proportional to 19,608,658.28, 29,402,187.72 and 8,091,507.61

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Solution

The fourth proportional to 19,608,658.28, 29,402,187.72 and 8,091,507.61 is: 12,132,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608,658.28 : 29,402,187.72 = 8,091,507.61 : x
  2. Step 2: Convert to fraction form
    19,608,658.28/29,402,187.72 = 8,091,507.61/x
  3. Step 3: Cross multiply
    19,608,658.28x = 29,402,187.72 × 8,091,507.61
  4. Step 4: Simplify right side
    19,608,658.28x = 237,908,025,540,017.62
  5. Step 5: Solve for x
    x = 237,908,025,540,017.62/19,608,658.28
  6. Step 6: Final answer
    x = 12,132,804.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.