Home / 28,202,408.20-42,303,612.30-9,033,790.60

Finding the Fourth Proportional to 28,202,408.20, 42,303,612.30 and 9,033,790.60

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Solution

The fourth proportional to 28,202,408.20, 42,303,612.30 and 9,033,790.60 is: 13,550,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,408.20 : 42,303,612.30 = 9,033,790.60 : x
  2. Step 2: Convert to fraction form
    28,202,408.20/42,303,612.30 = 9,033,790.60/x
  3. Step 3: Cross multiply
    28,202,408.20x = 42,303,612.30 × 9,033,790.60
  4. Step 4: Simplify right side
    28,202,408.20x = 382,161,975,141,784.31
  5. Step 5: Solve for x
    x = 382,161,975,141,784.31/28,202,408.20
  6. Step 6: Final answer
    x = 13,550,685.90

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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.