Finding the Fourth Proportional to 16,278,911.60, 24,421,866.60 and 4,920,508.40
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Solution
The fourth proportional to 16,278,911.60, 24,421,866.60 and 4,920,508.40 is: 7,381,820.28
Step by Step Solution
- Step 1: Write the proportion equation
16,278,911.60 : 24,421,866.60 = 4,920,508.40 : x - Step 2: Convert to fraction form
16,278,911.60/24,421,866.60 = 4,920,508.40/x - Step 3: Cross multiply
16,278,911.60x = 24,421,866.60 × 4,920,508.40 - Step 4: Simplify right side
16,278,911.60x = 120,167,999,748,979.45 - Step 5: Solve for x
x = 120,167,999,748,979.45/16,278,911.60 - Step 6: Final answer
x = 7,381,820.28
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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.