Home / 20,241,131.90-27,933,076.95-11,073,927.74

Finding the Fourth Proportional to 20,241,131.90, 27,933,076.95 and 11,073,927.74

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Solution

The fourth proportional to 20,241,131.90, 27,933,076.95 and 11,073,927.74 is: 15,282,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,131.90 : 27,933,076.95 = 11,073,927.74 : x
  2. Step 2: Convert to fraction form
    20,241,131.90/27,933,076.95 = 11,073,927.74/x
  3. Step 3: Cross multiply
    20,241,131.90x = 27,933,076.95 × 11,073,927.74
  4. Step 4: Simplify right side
    20,241,131.90x = 309,328,875,700,159.56
  5. Step 5: Solve for x
    x = 309,328,875,700,159.56/20,241,131.90
  6. Step 6: Final answer
    x = 15,282,192.58

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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.