Finding the Fourth Proportional to 7,461,872.03, 11,191,555.98 and 2,071,070.12
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Solution
The fourth proportional to 7,461,872.03, 11,191,555.98 and 2,071,070.12 is: 3,106,257.66
Step by Step Solution
- Step 1: Write the proportion equation
7,461,872.03 : 11,191,555.98 = 2,071,070.12 : x - Step 2: Convert to fraction form
7,461,872.03/11,191,555.98 = 2,071,070.12/x - Step 3: Cross multiply
7,461,872.03x = 11,191,555.98 × 2,071,070.12 - Step 4: Simplify right side
7,461,872.03x = 23,178,497,130,527.54 - Step 5: Solve for x
x = 23,178,497,130,527.54/7,461,872.03 - Step 6: Final answer
x = 3,106,257.66
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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.