Home / 13,325,538.40-19,988,714.81-4,571,694.20

Finding the Fourth Proportional to 13,325,538.40, 19,988,714.81 and 4,571,694.20

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Solution

The fourth proportional to 13,325,538.40, 19,988,714.81 and 4,571,694.20 is: 6,857,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,538.40 : 19,988,714.81 = 4,571,694.20 : x
  2. Step 2: Convert to fraction form
    13,325,538.40/19,988,714.81 = 4,571,694.20/x
  3. Step 3: Cross multiply
    13,325,538.40x = 19,988,714.81 × 4,571,694.20
  4. Step 4: Simplify right side
    13,325,538.40x = 91,382,291,623,732.12
  5. Step 5: Solve for x
    x = 91,382,291,623,732.12/13,325,538.40
  6. Step 6: Final answer
    x = 6,857,681.01

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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.