Home / 13,018,940.79-19,531,658.33-9,188,245.93

Finding the Fourth Proportional to 13,018,940.79, 19,531,658.33 and 9,188,245.93

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Solution

The fourth proportional to 13,018,940.79, 19,531,658.33 and 9,188,245.93 is: 13,784,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018,940.79 : 19,531,658.33 = 9,188,245.93 : x
  2. Step 2: Convert to fraction form
    13,018,940.79/19,531,658.33 = 9,188,245.93/x
  3. Step 3: Cross multiply
    13,018,940.79x = 19,531,658.33 × 9,188,245.93
  4. Step 4: Simplify right side
    13,018,940.79x = 179,461,680,130,914.56
  5. Step 5: Solve for x
    x = 179,461,680,130,914.56/13,018,940.79
  6. Step 6: Final answer
    x = 13,784,660.60

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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.