Home / 31,131,642.40-46,697,463.60-16,782,735.40

Finding the Fourth Proportional to 31,131,642.40, 46,697,463.60 and 16,782,735.40

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Solution

The fourth proportional to 31,131,642.40, 46,697,463.60 and 16,782,735.40 is: 25,174,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,642.40 : 46,697,463.60 = 16,782,735.40 : x
  2. Step 2: Convert to fraction form
    31,131,642.40/46,697,463.60 = 16,782,735.40/x
  3. Step 3: Cross multiply
    31,131,642.40x = 46,697,463.60 × 16,782,735.40
  4. Step 4: Simplify right side
    31,131,642.40x = 783,711,175,449,931.38
  5. Step 5: Solve for x
    x = 783,711,175,449,931.38/31,131,642.40
  6. Step 6: Final answer
    x = 25,174,103.10

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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.