Finding the Fourth Proportional to 9,134,126.60, 12,605,090.34 and 5,463,043.09
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Solution
The fourth proportional to 9,134,126.60, 12,605,090.34 and 5,463,043.09 is: 7,538,996.85
Step by Step Solution
- Step 1: Write the proportion equation
9,134,126.60 : 12,605,090.34 = 5,463,043.09 : x - Step 2: Convert to fraction form
9,134,126.60/12,605,090.34 = 5,463,043.09/x - Step 3: Cross multiply
9,134,126.60x = 12,605,090.34 × 5,463,043.09 - Step 4: Simplify right side
9,134,126.60x = 68,862,151,653,447.54 - Step 5: Solve for x
x = 68,862,151,653,447.54/9,134,126.60 - Step 6: Final answer
x = 7,538,996.85
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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.