Home / 28,208,729.82-42,329,037.99-12,033,152.94

Finding the Fourth Proportional to 28,208,729.82, 42,329,037.99 and 12,033,152.94

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Solution

The fourth proportional to 28,208,729.82, 42,329,037.99 and 12,033,152.94 is: 18,056,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208,729.82 : 42,329,037.99 = 12,033,152.94 : x
  2. Step 2: Convert to fraction form
    28,208,729.82/42,329,037.99 = 12,033,152.94/x
  3. Step 3: Cross multiply
    28,208,729.82x = 42,329,037.99 × 12,033,152.94
  4. Step 4: Simplify right side
    28,208,729.82x = 509,351,787,936,740.19
  5. Step 5: Solve for x
    x = 509,351,787,936,740.19/28,208,729.82
  6. Step 6: Final answer
    x = 18,056,530.41

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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.