Home / 11,804,012.64-16,290,231.72-7,221,212.40

Finding the Fourth Proportional to 11,804,012.64, 16,290,231.72 and 7,221,212.40

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Solution

The fourth proportional to 11,804,012.64, 16,290,231.72 and 7,221,212.40 is: 9,965,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804,012.64 : 16,290,231.72 = 7,221,212.40 : x
  2. Step 2: Convert to fraction form
    11,804,012.64/16,290,231.72 = 7,221,212.40/x
  3. Step 3: Cross multiply
    11,804,012.64x = 16,290,231.72 × 7,221,212.40
  4. Step 4: Simplify right side
    11,804,012.64x = 117,635,223,295,337.34
  5. Step 5: Solve for x
    x = 117,635,223,295,337.34/11,804,012.64
  6. Step 6: Final answer
    x = 9,965,697.84

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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.