Home / 17,640,014.40-26,458,466.40-4,859,380.80

Finding the Fourth Proportional to 17,640,014.40, 26,458,466.40 and 4,859,380.80

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Solution

The fourth proportional to 17,640,014.40, 26,458,466.40 and 4,859,380.80 is: 7,288,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,014.40 : 26,458,466.40 = 4,859,380.80 : x
  2. Step 2: Convert to fraction form
    17,640,014.40/26,458,466.40 = 4,859,380.80/x
  3. Step 3: Cross multiply
    17,640,014.40x = 26,458,466.40 × 4,859,380.80
  4. Step 4: Simplify right side
    17,640,014.40x = 128,571,763,621,605.11
  5. Step 5: Solve for x
    x = 128,571,763,621,605.11/17,640,014.40
  6. Step 6: Final answer
    x = 7,288,642.78

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1.5x scale

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.