Home / 11,991,357.45-16,553,477.39-7,646,284.17

Finding the Fourth Proportional to 11,991,357.45, 16,553,477.39 and 7,646,284.17

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Solution

The fourth proportional to 11,991,357.45, 16,553,477.39 and 7,646,284.17 is: 10,555,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991,357.45 : 16,553,477.39 = 7,646,284.17 : x
  2. Step 2: Convert to fraction form
    11,991,357.45/16,553,477.39 = 7,646,284.17/x
  3. Step 3: Cross multiply
    11,991,357.45x = 16,553,477.39 × 7,646,284.17
  4. Step 4: Simplify right side
    11,991,357.45x = 126,572,592,087,378.50
  5. Step 5: Solve for x
    x = 126,572,592,087,378.50/11,991,357.45
  6. Step 6: Final answer
    x = 10,555,318.08

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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.