Finding the Fourth Proportional to 21,704,415.12, 32,539,571.98 and 14,860,285.18
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Solution
The fourth proportional to 21,704,415.12, 32,539,571.98 and 14,860,285.18 is: 22,278,753.73
Step by Step Solution
- Step 1: Write the proportion equation
21,704,415.12 : 32,539,571.98 = 14,860,285.18 : x - Step 2: Convert to fraction form
21,704,415.12/32,539,571.98 = 14,860,285.18/x - Step 3: Cross multiply
21,704,415.12x = 32,539,571.98 × 14,860,285.18 - Step 4: Simplify right side
21,704,415.12x = 483,547,319,257,937.25 - Step 5: Solve for x
x = 483,547,319,257,937.25/21,704,415.12 - Step 6: Final answer
x = 22,278,753.73
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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.