Home / 12,464,100.39-18,698,574.53-4,787,183.67

Finding the Fourth Proportional to 12,464,100.39, 18,698,574.53 and 4,787,183.67

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Solution

The fourth proportional to 12,464,100.39, 18,698,574.53 and 4,787,183.67 is: 7,181,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,100.39 : 18,698,574.53 = 4,787,183.67 : x
  2. Step 2: Convert to fraction form
    12,464,100.39/18,698,574.53 = 4,787,183.67/x
  3. Step 3: Cross multiply
    12,464,100.39x = 18,698,574.53 × 4,787,183.67
  4. Step 4: Simplify right side
    12,464,100.39x = 89,513,510,618,358
  5. Step 5: Solve for x
    x = 89,513,510,618,358/12,464,100.39
  6. Step 6: Final answer
    x = 7,181,706.49

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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.