Home / 7,679,444.37-11,520,884.74-2,887,175.13

Finding the Fourth Proportional to 7,679,444.37, 11,520,884.74 and 2,887,175.13

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Solution

The fourth proportional to 7,679,444.37, 11,520,884.74 and 2,887,175.13 is: 4,331,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,444.37 : 11,520,884.74 = 2,887,175.13 : x
  2. Step 2: Convert to fraction form
    7,679,444.37/11,520,884.74 = 2,887,175.13/x
  3. Step 3: Cross multiply
    7,679,444.37x = 11,520,884.74 × 2,887,175.13
  4. Step 4: Simplify right side
    7,679,444.37x = 33,262,811,896,924.52
  5. Step 5: Solve for x
    x = 33,262,811,896,924.52/7,679,444.37
  6. Step 6: Final answer
    x = 4,331,408.67

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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.