Home / 12,207,154.29-18,383,805.72-11,117,534.17

Finding the Fourth Proportional to 12,207,154.29, 18,383,805.72 and 11,117,534.17

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Solution

The fourth proportional to 12,207,154.29, 18,383,805.72 and 11,117,534.17 is: 16,742,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207,154.29 : 18,383,805.72 = 11,117,534.17 : x
  2. Step 2: Convert to fraction form
    12,207,154.29/18,383,805.72 = 11,117,534.17/x
  3. Step 3: Cross multiply
    12,207,154.29x = 18,383,805.72 × 11,117,534.17
  4. Step 4: Simplify right side
    12,207,154.29x = 204,382,588,174,822.41
  5. Step 5: Solve for x
    x = 204,382,588,174,822.41/12,207,154.29
  6. Step 6: Final answer
    x = 16,742,852.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.