Home / 31,630,239.70-47,447,441.37-8,287,554.16

Finding the Fourth Proportional to 31,630,239.70, 47,447,441.37 and 8,287,554.16

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Solution

The fourth proportional to 31,630,239.70, 47,447,441.37 and 8,287,554.16 is: 12,431,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630,239.70 : 47,447,441.37 = 8,287,554.16 : x
  2. Step 2: Convert to fraction form
    31,630,239.70/47,447,441.37 = 8,287,554.16/x
  3. Step 3: Cross multiply
    31,630,239.70x = 47,447,441.37 × 8,287,554.16
  4. Step 4: Simplify right side
    31,630,239.70x = 393,223,239,884,496.69
  5. Step 5: Solve for x
    x = 393,223,239,884,496.69/31,630,239.70
  6. Step 6: Final answer
    x = 12,431,876.70

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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.