Finding the Fourth Proportional to 11,323,390.48, 16,968,289.40 and 8,316,877.84
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Solution
The fourth proportional to 11,323,390.48, 16,968,289.40 and 8,316,877.84 is: 12,462,980.09
Step by Step Solution
- Step 1: Write the proportion equation
11,323,390.48 : 16,968,289.40 = 8,316,877.84 : x - Step 2: Convert to fraction form
11,323,390.48/16,968,289.40 = 8,316,877.84/x - Step 3: Cross multiply
11,323,390.48x = 16,968,289.40 × 8,316,877.84 - Step 4: Simplify right side
11,323,390.48x = 141,123,190,093,566.88 - Step 5: Solve for x
x = 141,123,190,093,566.88/11,323,390.48 - Step 6: Final answer
x = 12,462,980.09
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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.