Home / 12,211,618.26-18,317,925.54-3,113,951.79

Finding the Fourth Proportional to 12,211,618.26, 18,317,925.54 and 3,113,951.79

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Solution

The fourth proportional to 12,211,618.26, 18,317,925.54 and 3,113,951.79 is: 4,671,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,618.26 : 18,317,925.54 = 3,113,951.79 : x
  2. Step 2: Convert to fraction form
    12,211,618.26/18,317,925.54 = 3,113,951.79/x
  3. Step 3: Cross multiply
    12,211,618.26x = 18,317,925.54 × 3,113,951.79
  4. Step 4: Simplify right side
    12,211,618.26x = 57,041,137,024,369.71
  5. Step 5: Solve for x
    x = 57,041,137,024,369.71/12,211,618.26
  6. Step 6: Final answer
    x = 4,671,054.71

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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.