Home / 21,601,237.68-32,400,991.98-11,905,071.66

Finding the Fourth Proportional to 21,601,237.68, 32,400,991.98 and 11,905,071.66

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Solution

The fourth proportional to 21,601,237.68, 32,400,991.98 and 11,905,071.66 is: 17,857,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601,237.68 : 32,400,991.98 = 11,905,071.66 : x
  2. Step 2: Convert to fraction form
    21,601,237.68/32,400,991.98 = 11,905,071.66/x
  3. Step 3: Cross multiply
    21,601,237.68x = 32,400,991.98 × 11,905,071.66
  4. Step 4: Simplify right side
    21,601,237.68x = 385,736,131,376,985.31
  5. Step 5: Solve for x
    x = 385,736,131,376,985.31/21,601,237.68
  6. Step 6: Final answer
    x = 17,857,131.02

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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.