Home / 12,230,429.60-18,345,644.40-3,132,509.60

Finding the Fourth Proportional to 12,230,429.60, 18,345,644.40 and 3,132,509.60

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Solution

The fourth proportional to 12,230,429.60, 18,345,644.40 and 3,132,509.60 is: 4,698,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,429.60 : 18,345,644.40 = 3,132,509.60 : x
  2. Step 2: Convert to fraction form
    12,230,429.60/18,345,644.40 = 3,132,509.60/x
  3. Step 3: Cross multiply
    12,230,429.60x = 18,345,644.40 × 3,132,509.60
  4. Step 4: Simplify right side
    12,230,429.60x = 57,467,907,201,186.23
  5. Step 5: Solve for x
    x = 57,467,907,201,186.23/12,230,429.60
  6. Step 6: Final answer
    x = 4,698,764.40

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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.