Home / 9,517,079.81-13,133,586.80-5,166,169.07

Finding the Fourth Proportional to 9,517,079.81, 13,133,586.80 and 5,166,169.07

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Solution

The fourth proportional to 9,517,079.81, 13,133,586.80 and 5,166,169.07 is: 7,129,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517,079.81 : 13,133,586.80 = 5,166,169.07 : x
  2. Step 2: Convert to fraction form
    9,517,079.81/13,133,586.80 = 5,166,169.07/x
  3. Step 3: Cross multiply
    9,517,079.81x = 13,133,586.80 × 5,166,169.07
  4. Step 4: Simplify right side
    9,517,079.81x = 67,850,329,812,821.50
  5. Step 5: Solve for x
    x = 67,850,329,812,821.50/9,517,079.81
  6. Step 6: Final answer
    x = 7,129,322.36

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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.