Home / 31,306,007.20-46,967,175.60-12,137,389.60

Finding the Fourth Proportional to 31,306,007.20, 46,967,175.60 and 12,137,389.60

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Solution

The fourth proportional to 31,306,007.20, 46,967,175.60 and 12,137,389.60 is: 18,209,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306,007.20 : 46,967,175.60 = 12,137,389.60 : x
  2. Step 2: Convert to fraction form
    31,306,007.20/46,967,175.60 = 12,137,389.60/x
  3. Step 3: Cross multiply
    31,306,007.20x = 46,967,175.60 × 12,137,389.60
  4. Step 4: Simplify right side
    31,306,007.20x = 570,058,908,668,813.75
  5. Step 5: Solve for x
    x = 570,058,908,668,813.75/31,306,007.20
  6. Step 6: Final answer
    x = 18,209,249.91

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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.