Home / 31,104,209.70-46,656,314.55-28,021,851.90

Finding the Fourth Proportional to 31,104,209.70, 46,656,314.55 and 28,021,851.90

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Solution

The fourth proportional to 31,104,209.70, 46,656,314.55 and 28,021,851.90 is: 42,032,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,209.70 : 46,656,314.55 = 28,021,851.90 : x
  2. Step 2: Convert to fraction form
    31,104,209.70/46,656,314.55 = 28,021,851.90/x
  3. Step 3: Cross multiply
    31,104,209.70x = 46,656,314.55 × 28,021,851.90
  4. Step 4: Simplify right side
    31,104,209.70x = 1,307,396,336,519,915
  5. Step 5: Solve for x
    x = 1,307,396,336,519,915/31,104,209.70
  6. Step 6: Final answer
    x = 42,032,777.85

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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.