Home / 18,870,318.63-28,302,325.16-5,224,844.39

Finding the Fourth Proportional to 18,870,318.63, 28,302,325.16 and 5,224,844.39

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Solution

The fourth proportional to 18,870,318.63, 28,302,325.16 and 5,224,844.39 is: 7,836,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,318.63 : 28,302,325.16 = 5,224,844.39 : x
  2. Step 2: Convert to fraction form
    18,870,318.63/28,302,325.16 = 5,224,844.39/x
  3. Step 3: Cross multiply
    18,870,318.63x = 28,302,325.16 × 5,224,844.39
  4. Step 4: Simplify right side
    18,870,318.63x = 147,875,244,668,546
  5. Step 5: Solve for x
    x = 147,875,244,668,546/18,870,318.63
  6. Step 6: Final answer
    x = 7,836,393.63

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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.