Home / 18,870,320.63-28,302,328.15-5,224,846.39

Finding the Fourth Proportional to 18,870,320.63, 28,302,328.15 and 5,224,846.39

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Solution

The fourth proportional to 18,870,320.63, 28,302,328.15 and 5,224,846.39 is: 7,836,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,320.63 : 28,302,328.15 = 5,224,846.39 : x
  2. Step 2: Convert to fraction form
    18,870,320.63/28,302,328.15 = 5,224,846.39/x
  3. Step 3: Cross multiply
    18,870,320.63x = 28,302,328.15 × 5,224,846.39
  4. Step 4: Simplify right side
    18,870,320.63x = 147,875,317,063,122.88
  5. Step 5: Solve for x
    x = 147,875,317,063,122.88/18,870,320.63
  6. Step 6: Final answer
    x = 7,836,396.63

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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.