Finding the Fourth Proportional to 18,963,590.04, 26,163,348.84 and 12,345,157.08
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Solution
The fourth proportional to 18,963,590.04, 26,163,348.84 and 12,345,157.08 is: 17,032,146.89
Step by Step Solution
- Step 1: Write the proportion equation
18,963,590.04 : 26,163,348.84 = 12,345,157.08 : x - Step 2: Convert to fraction form
18,963,590.04/26,163,348.84 = 12,345,157.08/x - Step 3: Cross multiply
18,963,590.04x = 26,163,348.84 × 12,345,157.08 - Step 4: Simplify right side
18,963,590.04x = 322,990,651,168,635.81 - Step 5: Solve for x
x = 322,990,651,168,635.81/18,963,590.04 - Step 6: Final answer
x = 17,032,146.89
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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.