Home / 7,187,218.46-9,918,226.36-4,089,671.96

Finding the Fourth Proportional to 7,187,218.46, 9,918,226.36 and 4,089,671.96

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Solution

The fourth proportional to 7,187,218.46, 9,918,226.36 and 4,089,671.96 is: 5,643,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,218.46 : 9,918,226.36 = 4,089,671.96 : x
  2. Step 2: Convert to fraction form
    7,187,218.46/9,918,226.36 = 4,089,671.96/x
  3. Step 3: Cross multiply
    7,187,218.46x = 9,918,226.36 × 4,089,671.96
  4. Step 4: Simplify right side
    7,187,218.46x = 40,562,292,237,424.86
  5. Step 5: Solve for x
    x = 40,562,292,237,424.86/7,187,218.46
  6. Step 6: Final answer
    x = 5,643,670.42

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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.