Home / 13,317,975.25-19,977,650.96-4,221,039.40

Finding the Fourth Proportional to 13,317,975.25, 19,977,650.96 and 4,221,039.40

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Solution

The fourth proportional to 13,317,975.25, 19,977,650.96 and 4,221,039.40 is: 6,331,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,975.25 : 19,977,650.96 = 4,221,039.40 : x
  2. Step 2: Convert to fraction form
    13,317,975.25/19,977,650.96 = 4,221,039.40/x
  3. Step 3: Cross multiply
    13,317,975.25x = 19,977,650.96 × 4,221,039.40
  4. Step 4: Simplify right side
    13,317,975.25x = 84,326,451,821,607.83
  5. Step 5: Solve for x
    x = 84,326,451,821,607.83/13,317,975.25
  6. Step 6: Final answer
    x = 6,331,777.18

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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.