Finding the Fourth Proportional to 7,369,547.36, 11,054,320.96 and 2,878,674.08
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Solution
The fourth proportional to 7,369,547.36, 11,054,320.96 and 2,878,674.08 is: 4,318,011.09
Step by Step Solution
- Step 1: Write the proportion equation
7,369,547.36 : 11,054,320.96 = 2,878,674.08 : x - Step 2: Convert to fraction form
7,369,547.36/11,054,320.96 = 2,878,674.08/x - Step 3: Cross multiply
7,369,547.36x = 11,054,320.96 × 2,878,674.08 - Step 4: Simplify right side
7,369,547.36x = 31,821,787,219,552.72 - Step 5: Solve for x
x = 31,821,787,219,552.72/7,369,547.36 - Step 6: Final answer
x = 4,318,011.09
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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.