Home / 31,021,990.80-46,532,986.20-28,334,605.20

Finding the Fourth Proportional to 31,021,990.80, 46,532,986.20 and 28,334,605.20

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Solution

The fourth proportional to 31,021,990.80, 46,532,986.20 and 28,334,605.20 is: 42,501,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021,990.80 : 46,532,986.20 = 28,334,605.20 : x
  2. Step 2: Convert to fraction form
    31,021,990.80/46,532,986.20 = 28,334,605.20/x
  3. Step 3: Cross multiply
    31,021,990.80x = 46,532,986.20 × 28,334,605.20
  4. Step 4: Simplify right side
    31,021,990.80x = 1,318,493,792,754,048.25
  5. Step 5: Solve for x
    x = 1,318,493,792,754,048.25/31,021,990.80
  6. Step 6: Final answer
    x = 42,501,907.80

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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.