Home / 13,840,703.41-20,760,979.59-5,643,313.46

Finding the Fourth Proportional to 13,840,703.41, 20,760,979.59 and 5,643,313.46

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Solution

The fourth proportional to 13,840,703.41, 20,760,979.59 and 5,643,313.46 is: 8,464,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,703.41 : 20,760,979.59 = 5,643,313.46 : x
  2. Step 2: Convert to fraction form
    13,840,703.41/20,760,979.59 = 5,643,313.46/x
  3. Step 3: Cross multiply
    13,840,703.41x = 20,760,979.59 × 5,643,313.46
  4. Step 4: Simplify right side
    13,840,703.41x = 117,160,715,669,736.22
  5. Step 5: Solve for x
    x = 117,160,715,669,736.22/13,840,703.41
  6. Step 6: Final answer
    x = 8,464,939.40

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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.