Finding the Fourth Proportional to 10,537,812.68, 14,542,090.18 and 5,708,905.16
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Solution
The fourth proportional to 10,537,812.68, 14,542,090.18 and 5,708,905.16 is: 7,878,239.65
Step by Step Solution
- Step 1: Write the proportion equation
10,537,812.68 : 14,542,090.18 = 5,708,905.16 : x - Step 2: Convert to fraction form
10,537,812.68/14,542,090.18 = 5,708,905.16/x - Step 3: Cross multiply
10,537,812.68x = 14,542,090.18 × 5,708,905.16 - Step 4: Simplify right side
10,537,812.68x = 83,019,413,665,787.33 - Step 5: Solve for x
x = 83,019,413,665,787.33/10,537,812.68 - Step 6: Final answer
x = 7,878,239.65
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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.