Home / 6,639,369.80-9,968,385.90-4,119,945.80

Finding the Fourth Proportional to 6,639,369.80, 9,968,385.90 and 4,119,945.80

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Solution

The fourth proportional to 6,639,369.80, 9,968,385.90 and 4,119,945.80 is: 6,185,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,369.80 : 9,968,385.90 = 4,119,945.80 : x
  2. Step 2: Convert to fraction form
    6,639,369.80/9,968,385.90 = 4,119,945.80/x
  3. Step 3: Cross multiply
    6,639,369.80x = 9,968,385.90 × 4,119,945.80
  4. Step 4: Simplify right side
    6,639,369.80x = 41,069,209,621,484.22
  5. Step 5: Solve for x
    x = 41,069,209,621,484.22/6,639,369.80
  6. Step 6: Final answer
    x = 6,185,709.01

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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.