Finding the Fourth Proportional to 10,502,998.20, 15,745,166.10 and 6,238,639.80
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Solution
The fourth proportional to 10,502,998.20, 15,745,166.10 and 6,238,639.80 is: 9,352,417.09
Step by Step Solution
- Step 1: Write the proportion equation
10,502,998.20 : 15,745,166.10 = 6,238,639.80 : x - Step 2: Convert to fraction form
10,502,998.20/15,745,166.10 = 6,238,639.80/x - Step 3: Cross multiply
10,502,998.20x = 15,745,166.10 × 6,238,639.80 - Step 4: Simplify right side
10,502,998.20x = 98,228,419,889,070.78 - Step 5: Solve for x
x = 98,228,419,889,070.78/10,502,998.20 - Step 6: Final answer
x = 9,352,417.09
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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.