Home / 7,858,148.10-11,763,602.55-4,661,628.90

Finding the Fourth Proportional to 7,858,148.10, 11,763,602.55 and 4,661,628.90

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Solution

The fourth proportional to 7,858,148.10, 11,763,602.55 and 4,661,628.90 is: 6,978,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,148.10 : 11,763,602.55 = 4,661,628.90 : x
  2. Step 2: Convert to fraction form
    7,858,148.10/11,763,602.55 = 4,661,628.90/x
  3. Step 3: Cross multiply
    7,858,148.10x = 11,763,602.55 × 4,661,628.90
  4. Step 4: Simplify right side
    7,858,148.10x = 54,837,549,615,193.70
  5. Step 5: Solve for x
    x = 54,837,549,615,193.70/7,858,148.10
  6. Step 6: Final answer
    x = 6,978,431.68

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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.