Finding the Fourth Proportional to 19,657,998.40, 29,500,283.60 and 6,878,613.80
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Solution
The fourth proportional to 19,657,998.40, 29,500,283.60 and 6,878,613.80 is: 10,322,569.66
Step by Step Solution
- Step 1: Write the proportion equation
19,657,998.40 : 29,500,283.60 = 6,878,613.80 : x - Step 2: Convert to fraction form
19,657,998.40/29,500,283.60 = 6,878,613.80/x - Step 3: Cross multiply
19,657,998.40x = 29,500,283.60 × 6,878,613.80 - Step 4: Simplify right side
19,657,998.40x = 202,921,057,874,873.69 - Step 5: Solve for x
x = 202,921,057,874,873.69/19,657,998.40 - Step 6: Final answer
x = 10,322,569.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.