Finding the Fourth Proportional to 7,749,996.88, 10,694,798.85 and 4,217,643.35
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Solution
The fourth proportional to 7,749,996.88, 10,694,798.85 and 4,217,643.35 is: 5,820,240.70
Step by Step Solution
- Step 1: Write the proportion equation
7,749,996.88 : 10,694,798.85 = 4,217,643.35 : x - Step 2: Convert to fraction form
7,749,996.88/10,694,798.85 = 4,217,643.35/x - Step 3: Cross multiply
7,749,996.88x = 10,694,798.85 × 4,217,643.35 - Step 4: Simplify right side
7,749,996.88x = 45,106,847,251,737.81 - Step 5: Solve for x
x = 45,106,847,251,737.81/7,749,996.88 - Step 6: Final answer
x = 5,820,240.70
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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.