Home / 31,104,128.40-46,656,192.60-8,384,211.60

Finding the Fourth Proportional to 31,104,128.40, 46,656,192.60 and 8,384,211.60

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Solution

The fourth proportional to 31,104,128.40, 46,656,192.60 and 8,384,211.60 is: 12,576,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,128.40 : 46,656,192.60 = 8,384,211.60 : x
  2. Step 2: Convert to fraction form
    31,104,128.40/46,656,192.60 = 8,384,211.60/x
  3. Step 3: Cross multiply
    31,104,128.40x = 46,656,192.60 × 8,384,211.60
  4. Step 4: Simplify right side
    31,104,128.40x = 391,175,391,208,754.12
  5. Step 5: Solve for x
    x = 391,175,391,208,754.12/31,104,128.40
  6. Step 6: Final answer
    x = 12,576,317.40

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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.