Home / 7,661,401.21-10,572,815.15-4,223,765.26

Finding the Fourth Proportional to 7,661,401.21, 10,572,815.15 and 4,223,765.26

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Solution

The fourth proportional to 7,661,401.21, 10,572,815.15 and 4,223,765.26 is: 5,828,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,401.21 : 10,572,815.15 = 4,223,765.26 : x
  2. Step 2: Convert to fraction form
    7,661,401.21/10,572,815.15 = 4,223,765.26/x
  3. Step 3: Cross multiply
    7,661,401.21x = 10,572,815.15 × 4,223,765.26
  4. Step 4: Simplify right side
    7,661,401.21x = 44,657,089,309,852.86
  5. Step 5: Solve for x
    x = 44,657,089,309,852.86/7,661,401.21
  6. Step 6: Final answer
    x = 5,828,840.98

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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.