Home / 11,872,157.76-16,361,186.40-9,514,677.69

Finding the Fourth Proportional to 11,872,157.76, 16,361,186.40 and 9,514,677.69

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Solution

The fourth proportional to 11,872,157.76, 16,361,186.40 and 9,514,677.69 is: 13,112,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872,157.76 : 16,361,186.40 = 9,514,677.69 : x
  2. Step 2: Convert to fraction form
    11,872,157.76/16,361,186.40 = 9,514,677.69/x
  3. Step 3: Cross multiply
    11,872,157.76x = 16,361,186.40 × 9,514,677.69
  4. Step 4: Simplify right side
    11,872,157.76x = 155,671,415,222,011.41
  5. Step 5: Solve for x
    x = 155,671,415,222,011.41/11,872,157.76
  6. Step 6: Final answer
    x = 13,112,310.19

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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.