Finding the Fourth Proportional to 11,710,903.09, 16,159,118.08 and 7,356,905.98
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Solution
The fourth proportional to 11,710,903.09, 16,159,118.08 and 7,356,905.98 is: 10,151,318.95
Step by Step Solution
- Step 1: Write the proportion equation
11,710,903.09 : 16,159,118.08 = 7,356,905.98 : x - Step 2: Convert to fraction form
11,710,903.09/16,159,118.08 = 7,356,905.98/x - Step 3: Cross multiply
11,710,903.09x = 16,159,118.08 × 7,356,905.98 - Step 4: Simplify right side
11,710,903.09x = 118,881,112,434,278.12 - Step 5: Solve for x
x = 118,881,112,434,278.12/11,710,903.09 - Step 6: Final answer
x = 10,151,318.95
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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.