Home / 28,212,576.96-42,322,850.72-9,038,848.80

Finding the Fourth Proportional to 28,212,576.96, 42,322,850.72 and 9,038,848.80

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Solution

The fourth proportional to 28,212,576.96, 42,322,850.72 and 9,038,848.80 is: 13,559,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212,576.96 : 42,322,850.72 = 9,038,848.80 : x
  2. Step 2: Convert to fraction form
    28,212,576.96/42,322,850.72 = 9,038,848.80/x
  3. Step 3: Cross multiply
    28,212,576.96x = 42,322,850.72 × 9,038,848.80
  4. Step 4: Simplify right side
    28,212,576.96x = 382,549,848,443,051.19
  5. Step 5: Solve for x
    x = 382,549,848,443,051.19/28,212,576.96
  6. Step 6: Final answer
    x = 13,559,550.02

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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.