Home / 31,628,203.70-47,442,072.27-8,908,597.94

Finding the Fourth Proportional to 31,628,203.70, 47,442,072.27 and 8,908,597.94

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Solution

The fourth proportional to 31,628,203.70, 47,442,072.27 and 8,908,597.94 is: 13,362,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,203.70 : 47,442,072.27 = 8,908,597.94 : x
  2. Step 2: Convert to fraction form
    31,628,203.70/47,442,072.27 = 8,908,597.94/x
  3. Step 3: Cross multiply
    31,628,203.70x = 47,442,072.27 × 8,908,597.94
  4. Step 4: Simplify right side
    31,628,203.70x = 422,642,347,293,853.12
  5. Step 5: Solve for x
    x = 422,642,347,293,853.12/31,628,203.70
  6. Step 6: Final answer
    x = 13,362,831.20

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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.