Home / 14,094,563.20-21,141,844.80-13,142,780.80

Finding the Fourth Proportional to 14,094,563.20, 21,141,844.80 and 13,142,780.80

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Solution

The fourth proportional to 14,094,563.20, 21,141,844.80 and 13,142,780.80 is: 19,714,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094,563.20 : 21,141,844.80 = 13,142,780.80 : x
  2. Step 2: Convert to fraction form
    14,094,563.20/21,141,844.80 = 13,142,780.80/x
  3. Step 3: Cross multiply
    14,094,563.20x = 21,141,844.80 × 13,142,780.80
  4. Step 4: Simplify right side
    14,094,563.20x = 277,862,631,914,019.88
  5. Step 5: Solve for x
    x = 277,862,631,914,019.88/14,094,563.20
  6. Step 6: Final answer
    x = 19,714,171.20

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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.