Home / 20,269,356.98-30,452,539.75-12,997,064.80

Finding the Fourth Proportional to 20,269,356.98, 30,452,539.75 and 12,997,064.80

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Solution

The fourth proportional to 20,269,356.98, 30,452,539.75 and 12,997,064.80 is: 19,526,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,356.98 : 30,452,539.75 = 12,997,064.80 : x
  2. Step 2: Convert to fraction form
    20,269,356.98/30,452,539.75 = 12,997,064.80/x
  3. Step 3: Cross multiply
    20,269,356.98x = 30,452,539.75 × 12,997,064.80
  4. Step 4: Simplify right side
    20,269,356.98x = 395,793,632,455,325.81
  5. Step 5: Solve for x
    x = 395,793,632,455,325.81/20,269,356.98
  6. Step 6: Final answer
    x = 19,526,698.99

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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.