Home / 6,912,029.15-10,368,043.73-6,408,144.35

Finding the Fourth Proportional to 6,912,029.15, 10,368,043.73 and 6,408,144.35

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Solution

The fourth proportional to 6,912,029.15, 10,368,043.73 and 6,408,144.35 is: 9,612,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,029.15 : 10,368,043.73 = 6,408,144.35 : x
  2. Step 2: Convert to fraction form
    6,912,029.15/10,368,043.73 = 6,408,144.35/x
  3. Step 3: Cross multiply
    6,912,029.15x = 10,368,043.73 × 6,408,144.35
  4. Step 4: Simplify right side
    6,912,029.15x = 66,439,920,816,911.70
  5. Step 5: Solve for x
    x = 66,439,920,816,911.70/6,912,029.15
  6. Step 6: Final answer
    x = 9,612,216.53

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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.