Home / 15,487,596.19-21,372,900.45-8,611,930.63

Finding the Fourth Proportional to 15,487,596.19, 21,372,900.45 and 8,611,930.63

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Solution

The fourth proportional to 15,487,596.19, 21,372,900.45 and 8,611,930.63 is: 11,884,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,596.19 : 21,372,900.45 = 8,611,930.63 : x
  2. Step 2: Convert to fraction form
    15,487,596.19/21,372,900.45 = 8,611,930.63/x
  3. Step 3: Cross multiply
    15,487,596.19x = 21,372,900.45 × 8,611,930.63
  4. Step 4: Simplify right side
    15,487,596.19x = 184,061,935,930,431.28
  5. Step 5: Solve for x
    x = 184,061,935,930,431.28/15,487,596.19
  6. Step 6: Final answer
    x = 11,884,474.11

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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.