Home / 13,851,015.70-20,776,879.95-6,562,765.30

Finding the Fourth Proportional to 13,851,015.70, 20,776,879.95 and 6,562,765.30

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Solution

The fourth proportional to 13,851,015.70, 20,776,879.95 and 6,562,765.30 is: 9,844,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,015.70 : 20,776,879.95 = 6,562,765.30 : x
  2. Step 2: Convert to fraction form
    13,851,015.70/20,776,879.95 = 6,562,765.30/x
  3. Step 3: Cross multiply
    13,851,015.70x = 20,776,879.95 × 6,562,765.30
  4. Step 4: Simplify right side
    13,851,015.70x = 136,353,786,778,125.72
  5. Step 5: Solve for x
    x = 136,353,786,778,125.72/13,851,015.70
  6. Step 6: Final answer
    x = 9,844,316.82

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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.