Finding the Fourth Proportional to 8,744,637.69, 12,067,616.12 and 4,877,408.12
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Solution
The fourth proportional to 8,744,637.69, 12,067,616.12 and 4,877,408.12 is: 6,730,832.18
Step by Step Solution
- Step 1: Write the proportion equation
8,744,637.69 : 12,067,616.12 = 4,877,408.12 : x - Step 2: Convert to fraction form
8,744,637.69/12,067,616.12 = 4,877,408.12/x - Step 3: Cross multiply
8,744,637.69x = 12,067,616.12 × 4,877,408.12 - Step 4: Simplify right side
8,744,637.69x = 58,858,688,768,005.77 - Step 5: Solve for x
x = 58,858,688,768,005.77/8,744,637.69 - Step 6: Final answer
x = 6,730,832.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.