Finding the Fourth Proportional to 16,578,430.30, 24,860,272.65 and 7,605,732.70
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Solution
The fourth proportional to 16,578,430.30, 24,860,272.65 and 7,605,732.70 is: 11,405,216.61
Step by Step Solution
- Step 1: Write the proportion equation
16,578,430.30 : 24,860,272.65 = 7,605,732.70 : x - Step 2: Convert to fraction form
16,578,430.30/24,860,272.65 = 7,605,732.70/x - Step 3: Cross multiply
16,578,430.30x = 24,860,272.65 × 7,605,732.70 - Step 4: Simplify right side
16,578,430.30x = 189,080,588,625,020.66 - Step 5: Solve for x
x = 189,080,588,625,020.66/16,578,430.30 - Step 6: Final answer
x = 11,405,216.61
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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.