Home / 8,130,628.35-12,185,105.76-4,291,548.26

Finding the Fourth Proportional to 8,130,628.35, 12,185,105.76 and 4,291,548.26

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Solution

The fourth proportional to 8,130,628.35, 12,185,105.76 and 4,291,548.26 is: 6,431,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,628.35 : 12,185,105.76 = 4,291,548.26 : x
  2. Step 2: Convert to fraction form
    8,130,628.35/12,185,105.76 = 4,291,548.26/x
  3. Step 3: Cross multiply
    8,130,628.35x = 12,185,105.76 × 4,291,548.26
  4. Step 4: Simplify right side
    8,130,628.35x = 52,292,969,361,318.45
  5. Step 5: Solve for x
    x = 52,292,969,361,318.45/8,130,628.35
  6. Step 6: Final answer
    x = 6,431,602.47

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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.