Home / 20,116,554.56-27,761,446.08-12,386,056.64

Finding the Fourth Proportional to 20,116,554.56, 27,761,446.08 and 12,386,056.64

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Solution

The fourth proportional to 20,116,554.56, 27,761,446.08 and 12,386,056.64 is: 17,093,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116,554.56 : 27,761,446.08 = 12,386,056.64 : x
  2. Step 2: Convert to fraction form
    20,116,554.56/27,761,446.08 = 12,386,056.64/x
  3. Step 3: Cross multiply
    20,116,554.56x = 27,761,446.08 × 12,386,056.64
  4. Step 4: Simplify right side
    20,116,554.56x = 343,854,843,555,185.94
  5. Step 5: Solve for x
    x = 343,854,843,555,185.94/20,116,554.56
  6. Step 6: Final answer
    x = 17,093,128.08

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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.