Finding the Fourth Proportional to 7,959,543.84, 10,984,384.08 and 4,338,105.12
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Solution
The fourth proportional to 7,959,543.84, 10,984,384.08 and 4,338,105.12 is: 5,986,701.47
Step by Step Solution
- Step 1: Write the proportion equation
7,959,543.84 : 10,984,384.08 = 4,338,105.12 : x - Step 2: Convert to fraction form
7,959,543.84/10,984,384.08 = 4,338,105.12/x - Step 3: Cross multiply
7,959,543.84x = 10,984,384.08 × 4,338,105.12 - Step 4: Simplify right side
7,959,543.84x = 47,651,412,817,494.49 - Step 5: Solve for x
x = 47,651,412,817,494.49/7,959,543.84 - Step 6: Final answer
x = 5,986,701.47
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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.