Finding the Fourth Proportional to 15,437,464.84, 21,305,009.46 and 8,564,161
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Solution
The fourth proportional to 15,437,464.84, 21,305,009.46 and 8,564,161 is: 11,819,267.80
Step by Step Solution
- Step 1: Write the proportion equation
15,437,464.84 : 21,305,009.46 = 8,564,161 : x - Step 2: Convert to fraction form
15,437,464.84/21,305,009.46 = 8,564,161/x - Step 3: Cross multiply
15,437,464.84x = 21,305,009.46 × 8,564,161 - Step 4: Simplify right side
15,437,464.84x = 182,459,531,121,963.06 - Step 5: Solve for x
x = 182,459,531,121,963.06/15,437,464.84 - Step 6: Final answer
x = 11,819,267.80
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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.