Home / 42,646,257.51-63,969,573.74-13,500,239.73

Finding the Fourth Proportional to 42,646,257.51, 63,969,573.74 and 13,500,239.73

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Solution

The fourth proportional to 42,646,257.51, 63,969,573.74 and 13,500,239.73 is: 20,250,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,257.51 : 63,969,573.74 = 13,500,239.73 : x
  2. Step 2: Convert to fraction form
    42,646,257.51/63,969,573.74 = 13,500,239.73/x
  3. Step 3: Cross multiply
    42,646,257.51x = 63,969,573.74 × 13,500,239.73
  4. Step 4: Simplify right side
    42,646,257.51x = 863,604,580,915,912.75
  5. Step 5: Solve for x
    x = 863,604,580,915,912.75/42,646,257.51
  6. Step 6: Final answer
    x = 20,250,418.94

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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.