Home / 12,453,849.60-18,688,647.60-7,336,269.60

Finding the Fourth Proportional to 12,453,849.60, 18,688,647.60 and 7,336,269.60

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Solution

The fourth proportional to 12,453,849.60, 18,688,647.60 and 7,336,269.60 is: 11,009,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,849.60 : 18,688,647.60 = 7,336,269.60 : x
  2. Step 2: Convert to fraction form
    12,453,849.60/18,688,647.60 = 7,336,269.60/x
  3. Step 3: Cross multiply
    12,453,849.60x = 18,688,647.60 × 7,336,269.60
  4. Step 4: Simplify right side
    12,453,849.60x = 137,104,957,252,992.97
  5. Step 5: Solve for x
    x = 137,104,957,252,992.97/12,453,849.60
  6. Step 6: Final answer
    x = 11,009,042.32

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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.