Home / 7,421,296.37-11,124,175.84-3,105,819.27

Finding the Fourth Proportional to 7,421,296.37, 11,124,175.84 and 3,105,819.27

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Solution

The fourth proportional to 7,421,296.37, 11,124,175.84 and 3,105,819.27 is: 4,655,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,296.37 : 11,124,175.84 = 3,105,819.27 : x
  2. Step 2: Convert to fraction form
    7,421,296.37/11,124,175.84 = 3,105,819.27/x
  3. Step 3: Cross multiply
    7,421,296.37x = 11,124,175.84 × 3,105,819.27
  4. Step 4: Simplify right side
    7,421,296.37x = 34,549,679,678,975.89
  5. Step 5: Solve for x
    x = 34,549,679,678,975.89/7,421,296.37
  6. Step 6: Final answer
    x = 4,655,477.69

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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.