Home / 7,789,854-10,749,800.48-4,352,120.85

Finding the Fourth Proportional to 7,789,854, 10,749,800.48 and 4,352,120.85

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Solution

The fourth proportional to 7,789,854, 10,749,800.48 and 4,352,120.85 is: 6,005,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789,854 : 10,749,800.48 = 4,352,120.85 : x
  2. Step 2: Convert to fraction form
    7,789,854/10,749,800.48 = 4,352,120.85/x
  3. Step 3: Cross multiply
    7,789,854x = 10,749,800.48 × 4,352,120.85
  4. Step 4: Simplify right side
    7,789,854x = 46,784,430,780,587.40
  5. Step 5: Solve for x
    x = 46,784,430,780,587.40/7,789,854
  6. Step 6: Final answer
    x = 6,005,816.13

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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.