Home / 8,134,485.42-12,189,113.30-4,714,288.92

Finding the Fourth Proportional to 8,134,485.42, 12,189,113.30 and 4,714,288.92

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Solution

The fourth proportional to 8,134,485.42, 12,189,113.30 and 4,714,288.92 is: 7,064,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134,485.42 : 12,189,113.30 = 4,714,288.92 : x
  2. Step 2: Convert to fraction form
    8,134,485.42/12,189,113.30 = 4,714,288.92/x
  3. Step 3: Cross multiply
    8,134,485.42x = 12,189,113.30 × 4,714,288.92
  4. Step 4: Simplify right side
    8,134,485.42x = 57,463,001,774,814.64
  5. Step 5: Solve for x
    x = 57,463,001,774,814.64/8,134,485.42
  6. Step 6: Final answer
    x = 7,064,122.54

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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.