Finding the Fourth Proportional to 37,032,543.72, 51,102,655.84 and 20,511,688.84
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Solution
The fourth proportional to 37,032,543.72, 51,102,655.84 and 20,511,688.84 is: 28,304,881.87
Step by Step Solution
- Step 1: Write the proportion equation
37,032,543.72 : 51,102,655.84 = 20,511,688.84 : x - Step 2: Convert to fraction form
37,032,543.72/51,102,655.84 = 20,511,688.84/x - Step 3: Cross multiply
37,032,543.72x = 51,102,655.84 × 20,511,688.84 - Step 4: Simplify right side
37,032,543.72x = 1,048,201,775,487,688.88 - Step 5: Solve for x
x = 1,048,201,775,487,688.88/37,032,543.72 - Step 6: Final answer
x = 28,304,881.87
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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.