Home / 28,053,600.16-42,082,796.40-9,856,204.96

Finding the Fourth Proportional to 28,053,600.16, 42,082,796.40 and 9,856,204.96

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Solution

The fourth proportional to 28,053,600.16, 42,082,796.40 and 9,856,204.96 is: 14,785,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053,600.16 : 42,082,796.40 = 9,856,204.96 : x
  2. Step 2: Convert to fraction form
    28,053,600.16/42,082,796.40 = 9,856,204.96/x
  3. Step 3: Cross multiply
    28,053,600.16x = 42,082,796.40 × 9,856,204.96
  4. Step 4: Simplify right side
    28,053,600.16x = 414,776,666,608,350.19
  5. Step 5: Solve for x
    x = 414,776,666,608,350.19/28,053,600.16
  6. Step 6: Final answer
    x = 14,785,149.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.