Finding the Fourth Proportional to 18,973,528.79, 26,183,473.83 and 10,271,772.91
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Solution
The fourth proportional to 18,973,528.79, 26,183,473.83 and 10,271,772.91 is: 14,175,048.83
Step by Step Solution
- Step 1: Write the proportion equation
18,973,528.79 : 26,183,473.83 = 10,271,772.91 : x - Step 2: Convert to fraction form
18,973,528.79/26,183,473.83 = 10,271,772.91/x - Step 3: Cross multiply
18,973,528.79x = 26,183,473.83 × 10,271,772.91 - Step 4: Simplify right side
18,973,528.79x = 268,950,697,111,229.25 - Step 5: Solve for x
x = 268,950,697,111,229.25/18,973,528.79 - Step 6: Final answer
x = 14,175,048.83
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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.