Home / 21,502,169.28-32,263,596.72-13,413,068.64

Finding the Fourth Proportional to 21,502,169.28, 32,263,596.72 and 13,413,068.64

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Solution

The fourth proportional to 21,502,169.28, 32,263,596.72 and 13,413,068.64 is: 20,126,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502,169.28 : 32,263,596.72 = 13,413,068.64 : x
  2. Step 2: Convert to fraction form
    21,502,169.28/32,263,596.72 = 13,413,068.64/x
  3. Step 3: Cross multiply
    21,502,169.28x = 32,263,596.72 × 13,413,068.64
  4. Step 4: Simplify right side
    21,502,169.28x = 432,753,837,378,638.88
  5. Step 5: Solve for x
    x = 432,753,837,378,638.88/21,502,169.28
  6. Step 6: Final answer
    x = 20,126,054.81

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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.