Home / 10,932,326.40-16,388,659.20-7,147,622.40

Finding the Fourth Proportional to 10,932,326.40, 16,388,659.20 and 7,147,622.40

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Solution

The fourth proportional to 10,932,326.40, 16,388,659.20 and 7,147,622.40 is: 10,715,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932,326.40 : 16,388,659.20 = 7,147,622.40 : x
  2. Step 2: Convert to fraction form
    10,932,326.40/16,388,659.20 = 7,147,622.40/x
  3. Step 3: Cross multiply
    10,932,326.40x = 16,388,659.20 × 7,147,622.40
  4. Step 4: Simplify right side
    10,932,326.40x = 117,139,947,603,886.08
  5. Step 5: Solve for x
    x = 117,139,947,603,886.08/10,932,326.40
  6. Step 6: Final answer
    x = 10,715,006.42

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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.