Home / 13,112,455.80-19,668,683.70-8,010,622.20

Finding the Fourth Proportional to 13,112,455.80, 19,668,683.70 and 8,010,622.20

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Solution

The fourth proportional to 13,112,455.80, 19,668,683.70 and 8,010,622.20 is: 12,015,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,455.80 : 19,668,683.70 = 8,010,622.20 : x
  2. Step 2: Convert to fraction form
    13,112,455.80/19,668,683.70 = 8,010,622.20/x
  3. Step 3: Cross multiply
    13,112,455.80x = 19,668,683.70 × 8,010,622.20
  4. Step 4: Simplify right side
    13,112,455.80x = 157,558,394,291,998.12
  5. Step 5: Solve for x
    x = 157,558,394,291,998.12/13,112,455.80
  6. Step 6: Final answer
    x = 12,015,933.30

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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.