Finding the Fourth Proportional to 48,228,976.21, 72,343,520.79 and 13,214,387.03
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Solution
The fourth proportional to 48,228,976.21, 72,343,520.79 and 13,214,387.03 is: 19,821,596.02
Step by Step Solution
- Step 1: Write the proportion equation
48,228,976.21 : 72,343,520.79 = 13,214,387.03 : x - Step 2: Convert to fraction form
48,228,976.21/72,343,520.79 = 13,214,387.03/x - Step 3: Cross multiply
48,228,976.21x = 72,343,520.79 × 13,214,387.03 - Step 4: Simplify right side
48,228,976.21x = 955,975,282,827,572.12 - Step 5: Solve for x
x = 955,975,282,827,572.12/48,228,976.21 - Step 6: Final answer
x = 19,821,596.02
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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.