Home / 40,102,539.48-60,099,926.94-21,879,427.86

Finding the Fourth Proportional to 40,102,539.48, 60,099,926.94 and 21,879,427.86

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Solution

The fourth proportional to 40,102,539.48, 60,099,926.94 and 21,879,427.86 is: 32,789,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102,539.48 : 60,099,926.94 = 21,879,427.86 : x
  2. Step 2: Convert to fraction form
    40,102,539.48/60,099,926.94 = 21,879,427.86/x
  3. Step 3: Cross multiply
    40,102,539.48x = 60,099,926.94 × 21,879,427.86
  4. Step 4: Simplify right side
    40,102,539.48x = 1,314,952,015,875,000.50
  5. Step 5: Solve for x
    x = 1,314,952,015,875,000.50/40,102,539.48
  6. Step 6: Final answer
    x = 32,789,744.31

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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.