Home / 21,609,533.11-32,399,901.08-11,898,719

Finding the Fourth Proportional to 21,609,533.11, 32,399,901.08 and 11,898,719

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Solution

The fourth proportional to 21,609,533.11, 32,399,901.08 and 11,898,719 is: 17,840,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609,533.11 : 32,399,901.08 = 11,898,719 : x
  2. Step 2: Convert to fraction form
    21,609,533.11/32,399,901.08 = 11,898,719/x
  3. Step 3: Cross multiply
    21,609,533.11x = 32,399,901.08 × 11,898,719
  4. Step 4: Simplify right side
    21,609,533.11x = 385,517,318,519,222.94
  5. Step 5: Solve for x
    x = 385,517,318,519,222.94/21,609,533.11
  6. Step 6: Final answer
    x = 17,840,150.30

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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.