Home / 12,112,548.89-16,716,821.27-6,955,799.72

Finding the Fourth Proportional to 12,112,548.89, 16,716,821.27 and 6,955,799.72

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Solution

The fourth proportional to 12,112,548.89, 16,716,821.27 and 6,955,799.72 is: 9,599,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,548.89 : 16,716,821.27 = 6,955,799.72 : x
  2. Step 2: Convert to fraction form
    12,112,548.89/16,716,821.27 = 6,955,799.72/x
  3. Step 3: Cross multiply
    12,112,548.89x = 16,716,821.27 × 6,955,799.72
  4. Step 4: Simplify right side
    12,112,548.89x = 116,278,860,590,792.94
  5. Step 5: Solve for x
    x = 116,278,860,590,792.94/12,112,548.89
  6. Step 6: Final answer
    x = 9,599,867.19

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Double scale
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Similar ratio
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1.5x scale

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.