Finding the Fourth Proportional to 13,288,848.18, 19,860,444.31 and 9,702,168.18
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Solution
The fourth proportional to 13,288,848.18, 19,860,444.31 and 9,702,168.18 is: 14,500,080.69
Step by Step Solution
- Step 1: Write the proportion equation
13,288,848.18 : 19,860,444.31 = 9,702,168.18 : x - Step 2: Convert to fraction form
13,288,848.18/19,860,444.31 = 9,702,168.18/x - Step 3: Cross multiply
13,288,848.18x = 19,860,444.31 × 9,702,168.18 - Step 4: Simplify right side
13,288,848.18x = 192,689,370,825,144.03 - Step 5: Solve for x
x = 192,689,370,825,144.03/13,288,848.18 - Step 6: Final answer
x = 14,500,080.69
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.