Home / 31,245,427.90-43,119,135.63-18,014,343.07

Finding the Fourth Proportional to 31,245,427.90, 43,119,135.63 and 18,014,343.07

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Solution

The fourth proportional to 31,245,427.90, 43,119,135.63 and 18,014,343.07 is: 24,860,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,427.90 : 43,119,135.63 = 18,014,343.07 : x
  2. Step 2: Convert to fraction form
    31,245,427.90/43,119,135.63 = 18,014,343.07/x
  3. Step 3: Cross multiply
    31,245,427.90x = 43,119,135.63 × 18,014,343.07
  4. Step 4: Simplify right side
    31,245,427.90x = 776,762,902,120,680.62
  5. Step 5: Solve for x
    x = 776,762,902,120,680.62/31,245,427.90
  6. Step 6: Final answer
    x = 24,860,050.07

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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.