Finding the Fourth Proportional to 10,416,129.40, 15,560,841.52 and 6,742,935.28
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Solution
The fourth proportional to 10,416,129.40, 15,560,841.52 and 6,742,935.28 is: 10,073,391.30
Step by Step Solution
- Step 1: Write the proportion equation
10,416,129.40 : 15,560,841.52 = 6,742,935.28 : x - Step 2: Convert to fraction form
10,416,129.40/15,560,841.52 = 6,742,935.28/x - Step 3: Cross multiply
10,416,129.40x = 15,560,841.52 × 6,742,935.28 - Step 4: Simplify right side
10,416,129.40x = 104,925,747,271,696.83 - Step 5: Solve for x
x = 104,925,747,271,696.83/10,416,129.40 - Step 6: Final answer
x = 10,073,391.30
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.