Home / 51,721,022.21-77,589,504.93-17,634,396.47

Finding the Fourth Proportional to 51,721,022.21, 77,589,504.93 and 17,634,396.47

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Solution

The fourth proportional to 51,721,022.21, 77,589,504.93 and 17,634,396.47 is: 26,454,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721,022.21 : 77,589,504.93 = 17,634,396.47 : x
  2. Step 2: Convert to fraction form
    51,721,022.21/77,589,504.93 = 17,634,396.47/x
  3. Step 3: Cross multiply
    51,721,022.21x = 77,589,504.93 × 17,634,396.47
  4. Step 4: Simplify right side
    51,721,022.21x = 1,368,244,091,749,652.75
  5. Step 5: Solve for x
    x = 1,368,244,091,749,652.75/51,721,022.21
  6. Step 6: Final answer
    x = 26,454,312.64

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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.