Home / 21,263,911.20-31,927,359.60-16,477,005.60

Finding the Fourth Proportional to 21,263,911.20, 31,927,359.60 and 16,477,005.60

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Solution

The fourth proportional to 21,263,911.20, 31,927,359.60 and 16,477,005.60 is: 24,739,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263,911.20 : 31,927,359.60 = 16,477,005.60 : x
  2. Step 2: Convert to fraction form
    21,263,911.20/31,927,359.60 = 16,477,005.60/x
  3. Step 3: Cross multiply
    21,263,911.20x = 31,927,359.60 × 16,477,005.60
  4. Step 4: Simplify right side
    21,263,911.20x = 526,067,282,922,413.75
  5. Step 5: Solve for x
    x = 526,067,282,922,413.75/21,263,911.20
  6. Step 6: Final answer
    x = 24,739,911.58

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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.