Finding the Fourth Proportional to 10,775,731.44, 14,886,703.68 and 7,063,374.12
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Solution
The fourth proportional to 10,775,731.44, 14,886,703.68 and 7,063,374.12 is: 9,758,071.47
Step by Step Solution
- Step 1: Write the proportion equation
10,775,731.44 : 14,886,703.68 = 7,063,374.12 : x - Step 2: Convert to fraction form
10,775,731.44/14,886,703.68 = 7,063,374.12/x - Step 3: Cross multiply
10,775,731.44x = 14,886,703.68 × 7,063,374.12 - Step 4: Simplify right side
10,775,731.44x = 105,150,357,505,420.77 - Step 5: Solve for x
x = 105,150,357,505,420.77/10,775,731.44 - Step 6: Final answer
x = 9,758,071.47
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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.