Finding the Fourth Proportional to 51,127,586.16, 70,557,809.84 and 30,237,526.18
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Solution
The fourth proportional to 51,127,586.16, 70,557,809.84 and 30,237,526.18 is: 41,728,815.74
Step by Step Solution
- Step 1: Write the proportion equation
51,127,586.16 : 70,557,809.84 = 30,237,526.18 : x - Step 2: Convert to fraction form
51,127,586.16/70,557,809.84 = 30,237,526.18/x - Step 3: Cross multiply
51,127,586.16x = 70,557,809.84 × 30,237,526.18 - Step 4: Simplify right side
51,127,586.16x = 2,133,493,622,240,461.75 - Step 5: Solve for x
x = 2,133,493,622,240,461.75/51,127,586.16 - Step 6: Final answer
x = 41,728,815.74
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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.