Finding the Fourth Proportional to 10,501,420.26, 15,754,787.18 and 2,928,386.82
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Solution
The fourth proportional to 10,501,420.26, 15,754,787.18 and 2,928,386.82 is: 4,393,321.09
Step by Step Solution
- Step 1: Write the proportion equation
10,501,420.26 : 15,754,787.18 = 2,928,386.82 : x - Step 2: Convert to fraction form
10,501,420.26/15,754,787.18 = 2,928,386.82/x - Step 3: Cross multiply
10,501,420.26x = 15,754,787.18 × 2,928,386.82 - Step 4: Simplify right side
10,501,420.26x = 46,136,111,129,816.96 - Step 5: Solve for x
x = 46,136,111,129,816.96/10,501,420.26 - Step 6: Final answer
x = 4,393,321.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.