Home / 14,201,891.20-21,302,836.80-11,934,409.60

Finding the Fourth Proportional to 14,201,891.20, 21,302,836.80 and 11,934,409.60

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Solution

The fourth proportional to 14,201,891.20, 21,302,836.80 and 11,934,409.60 is: 17,901,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201,891.20 : 21,302,836.80 = 11,934,409.60 : x
  2. Step 2: Convert to fraction form
    14,201,891.20/21,302,836.80 = 11,934,409.60/x
  3. Step 3: Cross multiply
    14,201,891.20x = 21,302,836.80 × 11,934,409.60
  4. Step 4: Simplify right side
    14,201,891.20x = 254,236,780,013,153.28
  5. Step 5: Solve for x
    x = 254,236,780,013,153.28/14,201,891.20
  6. Step 6: Final answer
    x = 17,901,614.40

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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.