Home / 13,780,226.47-19,018,523.37-7,902,160.96

Finding the Fourth Proportional to 13,780,226.47, 19,018,523.37 and 7,902,160.96

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Solution

The fourth proportional to 13,780,226.47, 19,018,523.37 and 7,902,160.96 is: 10,906,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,226.47 : 19,018,523.37 = 7,902,160.96 : x
  2. Step 2: Convert to fraction form
    13,780,226.47/19,018,523.37 = 7,902,160.96/x
  3. Step 3: Cross multiply
    13,780,226.47x = 19,018,523.37 × 7,902,160.96
  4. Step 4: Simplify right side
    13,780,226.47x = 150,287,432,891,261.66
  5. Step 5: Solve for x
    x = 150,287,432,891,261.66/13,780,226.47
  6. Step 6: Final answer
    x = 10,906,020.54

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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.