Home / 18,134,178.84-25,025,059.80-9,874,221.39

Finding the Fourth Proportional to 18,134,178.84, 25,025,059.80 and 9,874,221.39

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Solution

The fourth proportional to 18,134,178.84, 25,025,059.80 and 9,874,221.39 is: 13,626,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,178.84 : 25,025,059.80 = 9,874,221.39 : x
  2. Step 2: Convert to fraction form
    18,134,178.84/25,025,059.80 = 9,874,221.39/x
  3. Step 3: Cross multiply
    18,134,178.84x = 25,025,059.80 × 9,874,221.39
  4. Step 4: Simplify right side
    18,134,178.84x = 247,102,980,763,189.16
  5. Step 5: Solve for x
    x = 247,102,980,763,189.16/18,134,178.84
  6. Step 6: Final answer
    x = 13,626,367.26

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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.