Finding the Fourth Proportional to 40,759,815.68, 56,248,990.62 and 22,175,060.66
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Solution
The fourth proportional to 40,759,815.68, 56,248,990.62 and 22,175,060.66 is: 30,601,825.80
Step by Step Solution
- Step 1: Write the proportion equation
40,759,815.68 : 56,248,990.62 = 22,175,060.66 : x - Step 2: Convert to fraction form
40,759,815.68/56,248,990.62 = 22,175,060.66/x - Step 3: Cross multiply
40,759,815.68x = 56,248,990.62 × 22,175,060.66 - Step 4: Simplify right side
40,759,815.68x = 1,247,324,779,062,271 - Step 5: Solve for x
x = 1,247,324,779,062,271/40,759,815.68 - Step 6: Final answer
x = 30,601,825.80
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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.