Home / 9,236,131.50-12,746,255.40-5,161,750.50

Finding the Fourth Proportional to 9,236,131.50, 12,746,255.40 and 5,161,750.50

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Solution

The fourth proportional to 9,236,131.50, 12,746,255.40 and 5,161,750.50 is: 7,123,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236,131.50 : 12,746,255.40 = 5,161,750.50 : x
  2. Step 2: Convert to fraction form
    9,236,131.50/12,746,255.40 = 5,161,750.50/x
  3. Step 3: Cross multiply
    9,236,131.50x = 12,746,255.40 × 5,161,750.50
  4. Step 4: Simplify right side
    9,236,131.50x = 65,792,990,184,077.70
  5. Step 5: Solve for x
    x = 65,792,990,184,077.70/9,236,131.50
  6. Step 6: Final answer
    x = 7,123,435.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.