Home / 12,421,924.60-18,621,806.10-4,847,128.60

Finding the Fourth Proportional to 12,421,924.60, 18,621,806.10 and 4,847,128.60

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Solution

The fourth proportional to 12,421,924.60, 18,621,806.10 and 4,847,128.60 is: 7,266,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,924.60 : 18,621,806.10 = 4,847,128.60 : x
  2. Step 2: Convert to fraction form
    12,421,924.60/18,621,806.10 = 4,847,128.60/x
  3. Step 3: Cross multiply
    12,421,924.60x = 18,621,806.10 × 4,847,128.60
  4. Step 4: Simplify right side
    12,421,924.60x = 90,262,288,930,964.45
  5. Step 5: Solve for x
    x = 90,262,288,930,964.45/12,421,924.60
  6. Step 6: Final answer
    x = 7,266,369.09

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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.