Home / 12,097,235.20-18,124,857.60-7,835,209.60

Finding the Fourth Proportional to 12,097,235.20, 18,124,857.60 and 7,835,209.60

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Solution

The fourth proportional to 12,097,235.20, 18,124,857.60 and 7,835,209.60 is: 11,739,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,235.20 : 18,124,857.60 = 7,835,209.60 : x
  2. Step 2: Convert to fraction form
    12,097,235.20/18,124,857.60 = 7,835,209.60/x
  3. Step 3: Cross multiply
    12,097,235.20x = 18,124,857.60 × 7,835,209.60
  4. Step 4: Simplify right side
    12,097,235.20x = 142,012,058,266,152.97
  5. Step 5: Solve for x
    x = 142,012,058,266,152.97/12,097,235.20
  6. Step 6: Final answer
    x = 11,739,216.10

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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.