Finding the Fourth Proportional to 7,227,182.99, 9,973,799.53 and 3,964,117.01
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Solution
The fourth proportional to 7,227,182.99, 9,973,799.53 and 3,964,117.01 is: 5,470,638.89
Step by Step Solution
- Step 1: Write the proportion equation
7,227,182.99 : 9,973,799.53 = 3,964,117.01 : x - Step 2: Convert to fraction form
7,227,182.99/9,973,799.53 = 3,964,117.01/x - Step 3: Cross multiply
7,227,182.99x = 9,973,799.53 × 3,964,117.01 - Step 4: Simplify right side
7,227,182.99x = 39,537,308,311,423.71 - Step 5: Solve for x
x = 39,537,308,311,423.71/7,227,182.99 - Step 6: Final answer
x = 5,470,638.89
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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.