Home / 31,128,542.60-46,699,812.30-18,342,465.80

Finding the Fourth Proportional to 31,128,542.60, 46,699,812.30 and 18,342,465.80

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Solution

The fourth proportional to 31,128,542.60, 46,699,812.30 and 18,342,465.80 is: 27,517,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128,542.60 : 46,699,812.30 = 18,342,465.80 : x
  2. Step 2: Convert to fraction form
    31,128,542.60/46,699,812.30 = 18,342,465.80/x
  3. Step 3: Cross multiply
    31,128,542.60x = 46,699,812.30 × 18,342,465.80
  4. Step 4: Simplify right side
    31,128,542.60x = 856,589,709,979,169.38
  5. Step 5: Solve for x
    x = 856,589,709,979,169.38/31,128,542.60
  6. Step 6: Final answer
    x = 27,517,822.50

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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.