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Finding the Fourth Proportional to 37,978,825.79, 56,968,239.40 and 9,224,767.62

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Solution

The fourth proportional to 37,978,825.79, 56,968,239.40 and 9,224,767.62 is: 13,837,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978,825.79 : 56,968,239.40 = 9,224,767.62 : x
  2. Step 2: Convert to fraction form
    37,978,825.79/56,968,239.40 = 9,224,767.62/x
  3. Step 3: Cross multiply
    37,978,825.79x = 56,968,239.40 × 9,224,767.62
  4. Step 4: Simplify right side
    37,978,825.79x = 525,518,770,162,466.25
  5. Step 5: Solve for x
    x = 525,518,770,162,466.25/37,978,825.79
  6. Step 6: Final answer
    x = 13,837,151.60

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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.