Home / 12,780,652.44-19,173,672.24-4,144,079.76

Finding the Fourth Proportional to 12,780,652.44, 19,173,672.24 and 4,144,079.76

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Solution

The fourth proportional to 12,780,652.44, 19,173,672.24 and 4,144,079.76 is: 6,216,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,652.44 : 19,173,672.24 = 4,144,079.76 : x
  2. Step 2: Convert to fraction form
    12,780,652.44/19,173,672.24 = 4,144,079.76/x
  3. Step 3: Cross multiply
    12,780,652.44x = 19,173,672.24 × 4,144,079.76
  4. Step 4: Simplify right side
    12,780,652.44x = 79,457,227,054,657.84
  5. Step 5: Solve for x
    x = 79,457,227,054,657.84/12,780,652.44
  6. Step 6: Final answer
    x = 6,216,993.02

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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.