Home / 31,630,240.77-47,447,442.97-8,287,555.22

Finding the Fourth Proportional to 31,630,240.77, 47,447,442.97 and 8,287,555.22

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Solution

The fourth proportional to 31,630,240.77, 47,447,442.97 and 8,287,555.22 is: 12,431,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630,240.77 : 47,447,442.97 = 8,287,555.22 : x
  2. Step 2: Convert to fraction form
    31,630,240.77/47,447,442.97 = 8,287,555.22/x
  3. Step 3: Cross multiply
    31,630,240.77x = 47,447,442.97 × 8,287,555.22
  4. Step 4: Simplify right side
    31,630,240.77x = 393,223,303,620,238.06
  5. Step 5: Solve for x
    x = 393,223,303,620,238.06/31,630,240.77
  6. Step 6: Final answer
    x = 12,431,878.29

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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.