Finding the Fourth Proportional to 10,368,220.70, 15,552,331.05 and 5,266,387.10
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Solution
The fourth proportional to 10,368,220.70, 15,552,331.05 and 5,266,387.10 is: 7,899,580.65
Step by Step Solution
- Step 1: Write the proportion equation
10,368,220.70 : 15,552,331.05 = 5,266,387.10 : x - Step 2: Convert to fraction form
10,368,220.70/15,552,331.05 = 5,266,387.10/x - Step 3: Cross multiply
10,368,220.70x = 15,552,331.05 × 5,266,387.10 - Step 4: Simplify right side
10,368,220.70x = 81,904,595,616,649.45 - Step 5: Solve for x
x = 81,904,595,616,649.45/10,368,220.70 - Step 6: Final answer
x = 7,899,580.65
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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.