Home / 28,118,635.54-42,183,070.90-12,766,157.98

Finding the Fourth Proportional to 28,118,635.54, 42,183,070.90 and 12,766,157.98

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Solution

The fourth proportional to 28,118,635.54, 42,183,070.90 and 12,766,157.98 is: 19,151,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,635.54 : 42,183,070.90 = 12,766,157.98 : x
  2. Step 2: Convert to fraction form
    28,118,635.54/42,183,070.90 = 12,766,157.98/x
  3. Step 3: Cross multiply
    28,118,635.54x = 42,183,070.90 × 12,766,157.98
  4. Step 4: Simplify right side
    28,118,635.54x = 538,515,747,190,940.81
  5. Step 5: Solve for x
    x = 538,515,747,190,940.81/28,118,635.54
  6. Step 6: Final answer
    x = 19,151,560.41

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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.