Home / 18,430,235.20-27,610,101.60-9,907,739.20

Finding the Fourth Proportional to 18,430,235.20, 27,610,101.60 and 9,907,739.20

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Solution

The fourth proportional to 18,430,235.20, 27,610,101.60 and 9,907,739.20 is: 14,842,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,235.20 : 27,610,101.60 = 9,907,739.20 : x
  2. Step 2: Convert to fraction form
    18,430,235.20/27,610,101.60 = 9,907,739.20/x
  3. Step 3: Cross multiply
    18,430,235.20x = 27,610,101.60 × 9,907,739.20
  4. Step 4: Simplify right side
    18,430,235.20x = 273,553,685,938,302.72
  5. Step 5: Solve for x
    x = 273,553,685,938,302.72/18,430,235.20
  6. Step 6: Final answer
    x = 14,842,658.43

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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.