Home / 15,001,702.05-20,702,448.21-8,126,184.06

Finding the Fourth Proportional to 15,001,702.05, 20,702,448.21 and 8,126,184.06

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Solution

The fourth proportional to 15,001,702.05, 20,702,448.21 and 8,126,184.06 is: 11,214,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,702.05 : 20,702,448.21 = 8,126,184.06 : x
  2. Step 2: Convert to fraction form
    15,001,702.05/20,702,448.21 = 8,126,184.06/x
  3. Step 3: Cross multiply
    15,001,702.05x = 20,702,448.21 × 8,126,184.06
  4. Step 4: Simplify right side
    15,001,702.05x = 168,231,904,647,077.53
  5. Step 5: Solve for x
    x = 168,231,904,647,077.53/15,001,702.05
  6. Step 6: Final answer
    x = 11,214,187.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.