Home / 15,715,313.88-21,685,960.72-8,838,467.36

Finding the Fourth Proportional to 15,715,313.88, 21,685,960.72 and 8,838,467.36

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Solution

The fourth proportional to 15,715,313.88, 21,685,960.72 and 8,838,467.36 is: 12,196,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715,313.88 : 21,685,960.72 = 8,838,467.36 : x
  2. Step 2: Convert to fraction form
    15,715,313.88/21,685,960.72 = 8,838,467.36/x
  3. Step 3: Cross multiply
    15,715,313.88x = 21,685,960.72 × 8,838,467.36
  4. Step 4: Simplify right side
    15,715,313.88x = 191,670,655,993,962.06
  5. Step 5: Solve for x
    x = 191,670,655,993,962.06/15,715,313.88
  6. Step 6: Final answer
    x = 12,196,425.57

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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.