Finding the Fourth Proportional to 10,298,302.74, 15,449,668.92 and 3,475,045.26
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Solution
The fourth proportional to 10,298,302.74, 15,449,668.92 and 3,475,045.26 is: 5,213,315.25
Step by Step Solution
- Step 1: Write the proportion equation
10,298,302.74 : 15,449,668.92 = 3,475,045.26 : x - Step 2: Convert to fraction form
10,298,302.74/15,449,668.92 = 3,475,045.26/x - Step 3: Cross multiply
10,298,302.74x = 15,449,668.92 × 3,475,045.26 - Step 4: Simplify right side
10,298,302.74x = 53,688,298,749,015.31 - Step 5: Solve for x
x = 53,688,298,749,015.31/10,298,302.74 - Step 6: Final answer
x = 5,213,315.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.