Finding the Fourth Proportional to 10,487,024.60, 15,703,964.85 and 8,361,260.60
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Solution
The fourth proportional to 10,487,024.60, 15,703,964.85 and 8,361,260.60 is: 12,520,705.12
Step by Step Solution
- Step 1: Write the proportion equation
10,487,024.60 : 15,703,964.85 = 8,361,260.60 : x - Step 2: Convert to fraction form
10,487,024.60/15,703,964.85 = 8,361,260.60/x - Step 3: Cross multiply
10,487,024.60x = 15,703,964.85 × 8,361,260.60 - Step 4: Simplify right side
10,487,024.60x = 131,304,942,564,089.91 - Step 5: Solve for x
x = 131,304,942,564,089.91/10,487,024.60 - Step 6: Final answer
x = 12,520,705.12
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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.