Home / 11,685,009.30-17,496,021.15-8,472,743.70

Finding the Fourth Proportional to 11,685,009.30, 17,496,021.15 and 8,472,743.70

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Solution

The fourth proportional to 11,685,009.30, 17,496,021.15 and 8,472,743.70 is: 12,686,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,009.30 : 17,496,021.15 = 8,472,743.70 : x
  2. Step 2: Convert to fraction form
    11,685,009.30/17,496,021.15 = 8,472,743.70/x
  3. Step 3: Cross multiply
    11,685,009.30x = 17,496,021.15 × 8,472,743.70
  4. Step 4: Simplify right side
    11,685,009.30x = 148,239,302,973,729.22
  5. Step 5: Solve for x
    x = 148,239,302,973,729.22/11,685,009.30
  6. Step 6: Final answer
    x = 12,686,280.27

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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.