Home / 16,909,968.70-25,364,656.18-11,717,790.13

Finding the Fourth Proportional to 16,909,968.70, 25,364,656.18 and 11,717,790.13

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Solution

The fourth proportional to 16,909,968.70, 25,364,656.18 and 11,717,790.13 is: 17,576,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909,968.70 : 25,364,656.18 = 11,717,790.13 : x
  2. Step 2: Convert to fraction form
    16,909,968.70/25,364,656.18 = 11,717,790.13/x
  3. Step 3: Cross multiply
    16,909,968.70x = 25,364,656.18 × 11,717,790.13
  4. Step 4: Simplify right side
    16,909,968.70x = 297,217,717,836,847.50
  5. Step 5: Solve for x
    x = 297,217,717,836,847.50/16,909,968.70
  6. Step 6: Final answer
    x = 17,576,479.48

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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.