Home / 28,173,431.70-42,260,147.55-13,824,524.70

Finding the Fourth Proportional to 28,173,431.70, 42,260,147.55 and 13,824,524.70

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Solution

The fourth proportional to 28,173,431.70, 42,260,147.55 and 13,824,524.70 is: 20,736,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173,431.70 : 42,260,147.55 = 13,824,524.70 : x
  2. Step 2: Convert to fraction form
    28,173,431.70/42,260,147.55 = 13,824,524.70/x
  3. Step 3: Cross multiply
    28,173,431.70x = 42,260,147.55 × 13,824,524.70
  4. Step 4: Simplify right side
    28,173,431.70x = 584,226,453,630,619.38
  5. Step 5: Solve for x
    x = 584,226,453,630,619.38/28,173,431.70
  6. Step 6: Final answer
    x = 20,736,787.05

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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.