Finding the Fourth Proportional to 16,578,428.30, 24,860,269.65 and 7,605,730.70
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Solution
The fourth proportional to 16,578,428.30, 24,860,269.65 and 7,605,730.70 is: 11,405,213.61
Step by Step Solution
- Step 1: Write the proportion equation
16,578,428.30 : 24,860,269.65 = 7,605,730.70 : x - Step 2: Convert to fraction form
16,578,428.30/24,860,269.65 = 7,605,730.70/x - Step 3: Cross multiply
16,578,428.30x = 24,860,269.65 × 7,605,730.70 - Step 4: Simplify right side
16,578,428.30x = 189,080,516,087,283.25 - Step 5: Solve for x
x = 189,080,516,087,283.25/16,578,428.30 - Step 6: Final answer
x = 11,405,213.61
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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.