Home / 28,400,246.40-42,600,369.60-17,629,708.80

Finding the Fourth Proportional to 28,400,246.40, 42,600,369.60 and 17,629,708.80

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Solution

The fourth proportional to 28,400,246.40, 42,600,369.60 and 17,629,708.80 is: 26,444,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,246.40 : 42,600,369.60 = 17,629,708.80 : x
  2. Step 2: Convert to fraction form
    28,400,246.40/42,600,369.60 = 17,629,708.80/x
  3. Step 3: Cross multiply
    28,400,246.40x = 42,600,369.60 × 17,629,708.80
  4. Step 4: Simplify right side
    28,400,246.40x = 751,032,110,820,372.50
  5. Step 5: Solve for x
    x = 751,032,110,820,372.50/28,400,246.40
  6. Step 6: Final answer
    x = 26,444,563.20

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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.