Finding the Fourth Proportional to 41,515,421.06, 62,279,074.68 and 12,763,970.74
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Solution
The fourth proportional to 41,515,421.06, 62,279,074.68 and 12,763,970.74 is: 19,147,783.32
Step by Step Solution
- Step 1: Write the proportion equation
41,515,421.06 : 62,279,074.68 = 12,763,970.74 : x - Step 2: Convert to fraction form
41,515,421.06/62,279,074.68 = 12,763,970.74/x - Step 3: Cross multiply
41,515,421.06x = 62,279,074.68 × 12,763,970.74 - Step 4: Simplify right side
41,515,421.06x = 794,928,286,929,794.88 - Step 5: Solve for x
x = 794,928,286,929,794.88/41,515,421.06 - Step 6: Final answer
x = 19,147,783.32
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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.