Home / 31,443,246.08-47,089,286.40-17,939,133.44

Finding the Fourth Proportional to 31,443,246.08, 47,089,286.40 and 17,939,133.44

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Solution

The fourth proportional to 31,443,246.08, 47,089,286.40 and 17,939,133.44 is: 26,865,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443,246.08 : 47,089,286.40 = 17,939,133.44 : x
  2. Step 2: Convert to fraction form
    31,443,246.08/47,089,286.40 = 17,939,133.44/x
  3. Step 3: Cross multiply
    31,443,246.08x = 47,089,286.40 × 17,939,133.44
  4. Step 4: Simplify right side
    31,443,246.08x = 844,740,992,323,977.25
  5. Step 5: Solve for x
    x = 844,740,992,323,977.25/31,443,246.08
  6. Step 6: Final answer
    x = 26,865,578.39

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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.