Home / 12,393,815.56-17,102,840.54-6,887,072.16

Finding the Fourth Proportional to 12,393,815.56, 17,102,840.54 and 6,887,072.16

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Solution

The fourth proportional to 12,393,815.56, 17,102,840.54 and 6,887,072.16 is: 9,503,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,815.56 : 17,102,840.54 = 6,887,072.16 : x
  2. Step 2: Convert to fraction form
    12,393,815.56/17,102,840.54 = 6,887,072.16/x
  3. Step 3: Cross multiply
    12,393,815.56x = 17,102,840.54 × 6,887,072.16
  4. Step 4: Simplify right side
    12,393,815.56x = 117,788,496,905,518.02
  5. Step 5: Solve for x
    x = 117,788,496,905,518.02/12,393,815.56
  6. Step 6: Final answer
    x = 9,503,812.31

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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.