Home / 15,717,589.30-21,690,240.39-8,842,071.36

Finding the Fourth Proportional to 15,717,589.30, 21,690,240.39 and 8,842,071.36

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Solution

The fourth proportional to 15,717,589.30, 21,690,240.39 and 8,842,071.36 is: 12,202,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,589.30 : 21,690,240.39 = 8,842,071.36 : x
  2. Step 2: Convert to fraction form
    15,717,589.30/21,690,240.39 = 8,842,071.36/x
  3. Step 3: Cross multiply
    15,717,589.30x = 21,690,240.39 × 8,842,071.36
  4. Step 4: Simplify right side
    15,717,589.30x = 191,786,653,343,934.22
  5. Step 5: Solve for x
    x = 191,786,653,343,934.22/15,717,589.30
  6. Step 6: Final answer
    x = 12,202,040.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.