Home / 12,130,647.86-18,202,269.23-4,947,451.70

Finding the Fourth Proportional to 12,130,647.86, 18,202,269.23 and 4,947,451.70

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Solution

The fourth proportional to 12,130,647.86, 18,202,269.23 and 4,947,451.70 is: 7,423,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,647.86 : 18,202,269.23 = 4,947,451.70 : x
  2. Step 2: Convert to fraction form
    12,130,647.86/18,202,269.23 = 4,947,451.70/x
  3. Step 3: Cross multiply
    12,130,647.86x = 18,202,269.23 × 4,947,451.70
  4. Step 4: Simplify right side
    12,130,647.86x = 90,054,847,845,821.20
  5. Step 5: Solve for x
    x = 90,054,847,845,821.20/12,130,647.86
  6. Step 6: Final answer
    x = 7,423,745.94

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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.