Home / 20,289,396.80-28,036,441.85-14,773,162.25

Finding the Fourth Proportional to 20,289,396.80, 28,036,441.85 and 14,773,162.25

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Solution

The fourth proportional to 20,289,396.80, 28,036,441.85 and 14,773,162.25 is: 20,413,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,396.80 : 28,036,441.85 = 14,773,162.25 : x
  2. Step 2: Convert to fraction form
    20,289,396.80/28,036,441.85 = 14,773,162.25/x
  3. Step 3: Cross multiply
    20,289,396.80x = 28,036,441.85 × 14,773,162.25
  4. Step 4: Simplify right side
    20,289,396.80x = 414,186,904,362,740.19
  5. Step 5: Solve for x
    x = 414,186,904,362,740.19/20,289,396.80
  6. Step 6: Final answer
    x = 20,413,958.50

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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.