Home / 12,908,811.36-19,351,188.72-4,383,316.56

Finding the Fourth Proportional to 12,908,811.36, 19,351,188.72 and 4,383,316.56

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Solution

The fourth proportional to 12,908,811.36, 19,351,188.72 and 4,383,316.56 is: 6,570,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,811.36 : 19,351,188.72 = 4,383,316.56 : x
  2. Step 2: Convert to fraction form
    12,908,811.36/19,351,188.72 = 4,383,316.56/x
  3. Step 3: Cross multiply
    12,908,811.36x = 19,351,188.72 × 4,383,316.56
  4. Step 4: Simplify right side
    12,908,811.36x = 84,822,385,972,061.19
  5. Step 5: Solve for x
    x = 84,822,385,972,061.19/12,908,811.36
  6. Step 6: Final answer
    x = 6,570,890.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.