Home / 31,099,606.40-46,670,404.80-20,290,577.60

Finding the Fourth Proportional to 31,099,606.40, 46,670,404.80 and 20,290,577.60

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Solution

The fourth proportional to 31,099,606.40, 46,670,404.80 and 20,290,577.60 is: 30,449,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,606.40 : 46,670,404.80 = 20,290,577.60 : x
  2. Step 2: Convert to fraction form
    31,099,606.40/46,670,404.80 = 20,290,577.60/x
  3. Step 3: Cross multiply
    31,099,606.40x = 46,670,404.80 × 20,290,577.60
  4. Step 4: Simplify right side
    31,099,606.40x = 946,969,470,217,812.50
  5. Step 5: Solve for x
    x = 946,969,470,217,812.50/31,099,606.40
  6. Step 6: Final answer
    x = 30,449,564.47

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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.