Finding the Fourth Proportional to 8,878,877.08, 13,319,995.56 and 2,815,136.08
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Solution
The fourth proportional to 8,878,877.08, 13,319,995.56 and 2,815,136.08 is: 4,223,236.76
Step by Step Solution
- Step 1: Write the proportion equation
8,878,877.08 : 13,319,995.56 = 2,815,136.08 : x - Step 2: Convert to fraction form
8,878,877.08/13,319,995.56 = 2,815,136.08/x - Step 3: Cross multiply
8,878,877.08x = 13,319,995.56 × 2,815,136.08 - Step 4: Simplify right side
8,878,877.08x = 37,497,600,086,395.80 - Step 5: Solve for x
x = 37,497,600,086,395.80/8,878,877.08 - Step 6: Final answer
x = 4,223,236.76
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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.