Home / 7,800,782.13-10,765,020.78-4,363,023.18

Finding the Fourth Proportional to 7,800,782.13, 10,765,020.78 and 4,363,023.18

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Solution

The fourth proportional to 7,800,782.13, 10,765,020.78 and 4,363,023.18 is: 6,020,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,782.13 : 10,765,020.78 = 4,363,023.18 : x
  2. Step 2: Convert to fraction form
    7,800,782.13/10,765,020.78 = 4,363,023.18/x
  3. Step 3: Cross multiply
    7,800,782.13x = 10,765,020.78 × 4,363,023.18
  4. Step 4: Simplify right side
    7,800,782.13x = 46,968,035,196,321.67
  5. Step 5: Solve for x
    x = 46,968,035,196,321.67/7,800,782.13
  6. Step 6: Final answer
    x = 6,020,939.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.