Home / 28,118,636.54-42,183,072.40-12,766,158.98

Finding the Fourth Proportional to 28,118,636.54, 42,183,072.40 and 12,766,158.98

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Solution

The fourth proportional to 28,118,636.54, 42,183,072.40 and 12,766,158.98 is: 19,151,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,636.54 : 42,183,072.40 = 12,766,158.98 : x
  2. Step 2: Convert to fraction form
    28,118,636.54/42,183,072.40 = 12,766,158.98/x
  3. Step 3: Cross multiply
    28,118,636.54x = 42,183,072.40 × 12,766,158.98
  4. Step 4: Simplify right side
    28,118,636.54x = 538,515,808,523,250.12
  5. Step 5: Solve for x
    x = 538,515,808,523,250.12/28,118,636.54
  6. Step 6: Final answer
    x = 19,151,561.91

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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.