Home / 20,241,312.40-27,933,326.16-11,074,108.24

Finding the Fourth Proportional to 20,241,312.40, 27,933,326.16 and 11,074,108.24

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Solution

The fourth proportional to 20,241,312.40, 27,933,326.16 and 11,074,108.24 is: 15,282,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,312.40 : 27,933,326.16 = 11,074,108.24 : x
  2. Step 2: Convert to fraction form
    20,241,312.40/27,933,326.16 = 11,074,108.24/x
  3. Step 3: Cross multiply
    20,241,312.40x = 27,933,326.16 × 11,074,108.24
  4. Step 4: Simplify right side
    20,241,312.40x = 309,336,677,399,063.56
  5. Step 5: Solve for x
    x = 309,336,677,399,063.56/20,241,312.40
  6. Step 6: Final answer
    x = 15,282,441.74

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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.