Home / 8,453,205-11,665,422.90-4,831,610.76

Finding the Fourth Proportional to 8,453,205, 11,665,422.90 and 4,831,610.76

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Solution

The fourth proportional to 8,453,205, 11,665,422.90 and 4,831,610.76 is: 6,667,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453,205 : 11,665,422.90 = 4,831,610.76 : x
  2. Step 2: Convert to fraction form
    8,453,205/11,665,422.90 = 4,831,610.76/x
  3. Step 3: Cross multiply
    8,453,205x = 11,665,422.90 × 4,831,610.76
  4. Step 4: Simplify right side
    8,453,205x = 56,362,782,803,590.41
  5. Step 5: Solve for x
    x = 56,362,782,803,590.41/8,453,205
  6. Step 6: Final answer
    x = 6,667,622.85

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Double scale
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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.