Home / 15,625,427.70-21,563,087.44-8,656,558.20

Finding the Fourth Proportional to 15,625,427.70, 21,563,087.44 and 8,656,558.20

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Solution

The fourth proportional to 15,625,427.70, 21,563,087.44 and 8,656,558.20 is: 11,946,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625,427.70 : 21,563,087.44 = 8,656,558.20 : x
  2. Step 2: Convert to fraction form
    15,625,427.70/21,563,087.44 = 8,656,558.20/x
  3. Step 3: Cross multiply
    15,625,427.70x = 21,563,087.44 × 8,656,558.20
  4. Step 4: Simplify right side
    15,625,427.70x = 186,662,121,396,049
  5. Step 5: Solve for x
    x = 186,662,121,396,049/15,625,427.70
  6. Step 6: Final answer
    x = 11,946,048.77

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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.