Home / 40,060,478.04-60,046,879.80-20,630,880.84

Finding the Fourth Proportional to 40,060,478.04, 60,046,879.80 and 20,630,880.84

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Solution

The fourth proportional to 40,060,478.04, 60,046,879.80 and 20,630,880.84 is: 30,923,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060,478.04 : 60,046,879.80 = 20,630,880.84 : x
  2. Step 2: Convert to fraction form
    40,060,478.04/60,046,879.80 = 20,630,880.84/x
  3. Step 3: Cross multiply
    40,060,478.04x = 60,046,879.80 × 20,630,880.84
  4. Step 4: Simplify right side
    40,060,478.04x = 1,238,820,021,967,603
  5. Step 5: Solve for x
    x = 1,238,820,021,967,603/40,060,478.04
  6. Step 6: Final answer
    x = 30,923,745.36

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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.