Home / 21,987,041.75-30,342,153.35-12,197,486.03

Finding the Fourth Proportional to 21,987,041.75, 30,342,153.35 and 12,197,486.03

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Solution

The fourth proportional to 21,987,041.75, 30,342,153.35 and 12,197,486.03 is: 16,832,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,041.75 : 30,342,153.35 = 12,197,486.03 : x
  2. Step 2: Convert to fraction form
    21,987,041.75/30,342,153.35 = 12,197,486.03/x
  3. Step 3: Cross multiply
    21,987,041.75x = 30,342,153.35 × 12,197,486.03
  4. Step 4: Simplify right side
    21,987,041.75x = 370,097,991,588,730.62
  5. Step 5: Solve for x
    x = 370,097,991,588,730.62/21,987,041.75
  6. Step 6: Final answer
    x = 16,832,550.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.