Home / 6,997,072.85-9,655,570.14-3,857,235.21

Finding the Fourth Proportional to 6,997,072.85, 9,655,570.14 and 3,857,235.21

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Solution

The fourth proportional to 6,997,072.85, 9,655,570.14 and 3,857,235.21 is: 5,322,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997,072.85 : 9,655,570.14 = 3,857,235.21 : x
  2. Step 2: Convert to fraction form
    6,997,072.85/9,655,570.14 = 3,857,235.21/x
  3. Step 3: Cross multiply
    6,997,072.85x = 9,655,570.14 × 3,857,235.21
  4. Step 4: Simplify right side
    6,997,072.85x = 37,243,805,116,632.63
  5. Step 5: Solve for x
    x = 37,243,805,116,632.63/6,997,072.85
  6. Step 6: Final answer
    x = 5,322,769.38

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1.5x scale

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.