Home / 13,291,653.22-19,979,097.63-8,771,747.92

Finding the Fourth Proportional to 13,291,653.22, 19,979,097.63 and 8,771,747.92

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Solution

The fourth proportional to 13,291,653.22, 19,979,097.63 and 8,771,747.92 is: 13,185,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,653.22 : 19,979,097.63 = 8,771,747.92 : x
  2. Step 2: Convert to fraction form
    13,291,653.22/19,979,097.63 = 8,771,747.92/x
  3. Step 3: Cross multiply
    13,291,653.22x = 19,979,097.63 × 8,771,747.92
  4. Step 4: Simplify right side
    13,291,653.22x = 175,251,608,079,429.41
  5. Step 5: Solve for x
    x = 175,251,608,079,429.41/13,291,653.22
  6. Step 6: Final answer
    x = 13,185,087.30

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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.