Home / 12,970,207.62-17,898,574.32-7,089,577.83

Finding the Fourth Proportional to 12,970,207.62, 17,898,574.32 and 7,089,577.83

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Solution

The fourth proportional to 12,970,207.62, 17,898,574.32 and 7,089,577.83 is: 9,783,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970,207.62 : 17,898,574.32 = 7,089,577.83 : x
  2. Step 2: Convert to fraction form
    12,970,207.62/17,898,574.32 = 7,089,577.83/x
  3. Step 3: Cross multiply
    12,970,207.62x = 17,898,574.32 × 7,089,577.83
  4. Step 4: Simplify right side
    12,970,207.62x = 126,893,335,687,679.33
  5. Step 5: Solve for x
    x = 126,893,335,687,679.33/12,970,207.62
  6. Step 6: Final answer
    x = 9,783,446.76

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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.