Finding the Fourth Proportional to 56,222,957.70, 84,336,303.42 and 19,334,485.80
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Solution
The fourth proportional to 56,222,957.70, 84,336,303.42 and 19,334,485.80 is: 29,002,370.70
Step by Step Solution
- Step 1: Write the proportion equation
56,222,957.70 : 84,336,303.42 = 19,334,485.80 : x - Step 2: Convert to fraction form
56,222,957.70/84,336,303.42 = 19,334,485.80/x - Step 3: Cross multiply
56,222,957.70x = 84,336,303.42 × 19,334,485.80 - Step 4: Simplify right side
56,222,957.70x = 1,630,599,060,898,481.50 - Step 5: Solve for x
x = 1,630,599,060,898,481.50/56,222,957.70 - Step 6: Final answer
x = 29,002,370.70
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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.