Finding the Fourth Proportional to 8,637,451.84, 12,956,140.84 and 3,518,740.08
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Solution
The fourth proportional to 8,637,451.84, 12,956,140.84 and 3,518,740.08 is: 5,278,095.08
Step by Step Solution
- Step 1: Write the proportion equation
8,637,451.84 : 12,956,140.84 = 3,518,740.08 : x - Step 2: Convert to fraction form
8,637,451.84/12,956,140.84 = 3,518,740.08/x - Step 3: Cross multiply
8,637,451.84x = 12,956,140.84 × 3,518,740.08 - Step 4: Simplify right side
8,637,451.84x = 45,589,292,055,832.87 - Step 5: Solve for x
x = 45,589,292,055,832.87/8,637,451.84 - Step 6: Final answer
x = 5,278,095.08
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1.5x scale
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.