Home / 11,529,475-15,912,257.58-6,634,597.21

Finding the Fourth Proportional to 11,529,475, 15,912,257.58 and 6,634,597.21

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Solution

The fourth proportional to 11,529,475, 15,912,257.58 and 6,634,597.21 is: 9,156,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529,475 : 15,912,257.58 = 6,634,597.21 : x
  2. Step 2: Convert to fraction form
    11,529,475/15,912,257.58 = 6,634,597.21/x
  3. Step 3: Cross multiply
    11,529,475x = 15,912,257.58 × 6,634,597.21
  4. Step 4: Simplify right side
    11,529,475x = 105,571,419,745,069.36
  5. Step 5: Solve for x
    x = 105,571,419,745,069.36/11,529,475
  6. Step 6: Final answer
    x = 9,156,654.55

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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.