Finding the Fourth Proportional to 21,507,510.15, 32,264,448.35 and 6,929,543.97
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Solution
The fourth proportional to 21,507,510.15, 32,264,448.35 and 6,929,543.97 is: 10,395,341.53
Step by Step Solution
- Step 1: Write the proportion equation
21,507,510.15 : 32,264,448.35 = 6,929,543.97 : x - Step 2: Convert to fraction form
21,507,510.15/32,264,448.35 = 6,929,543.97/x - Step 3: Cross multiply
21,507,510.15x = 32,264,448.35 × 6,929,543.97 - Step 4: Simplify right side
21,507,510.15x = 223,577,913,474,471.22 - Step 5: Solve for x
x = 223,577,913,474,471.22/21,507,510.15 - Step 6: Final answer
x = 10,395,341.53
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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.