Home / 20,417,282.96-30,640,068.88-8,119,986.08

Finding the Fourth Proportional to 20,417,282.96, 30,640,068.88 and 8,119,986.08

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Solution

The fourth proportional to 20,417,282.96, 30,640,068.88 and 8,119,986.08 is: 12,185,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,282.96 : 30,640,068.88 = 8,119,986.08 : x
  2. Step 2: Convert to fraction form
    20,417,282.96/30,640,068.88 = 8,119,986.08/x
  3. Step 3: Cross multiply
    20,417,282.96x = 30,640,068.88 × 8,119,986.08
  4. Step 4: Simplify right side
    20,417,282.96x = 248,796,932,795,841.19
  5. Step 5: Solve for x
    x = 248,796,932,795,841.19/20,417,282.96
  6. Step 6: Final answer
    x = 12,185,604.39

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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.