Home / 12,470,608.20-18,702,024.30-4,899,894.60

Finding the Fourth Proportional to 12,470,608.20, 18,702,024.30 and 4,899,894.60

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Solution

The fourth proportional to 12,470,608.20, 18,702,024.30 and 4,899,894.60 is: 7,348,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,608.20 : 18,702,024.30 = 4,899,894.60 : x
  2. Step 2: Convert to fraction form
    12,470,608.20/18,702,024.30 = 4,899,894.60/x
  3. Step 3: Cross multiply
    12,470,608.20x = 18,702,024.30 × 4,899,894.60
  4. Step 4: Simplify right side
    12,470,608.20x = 91,637,947,876,638.78
  5. Step 5: Solve for x
    x = 91,637,947,876,638.78/12,470,608.20
  6. Step 6: Final answer
    x = 7,348,314.24

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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.