Finding the Fourth Proportional to 11,395,500.21, 15,725,836.13 and 6,239,341.53
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Solution
The fourth proportional to 11,395,500.21, 15,725,836.13 and 6,239,341.53 is: 8,610,316.41
Step by Step Solution
- Step 1: Write the proportion equation
11,395,500.21 : 15,725,836.13 = 6,239,341.53 : x - Step 2: Convert to fraction form
11,395,500.21/15,725,836.13 = 6,239,341.53/x - Step 3: Cross multiply
11,395,500.21x = 15,725,836.13 × 6,239,341.53 - Step 4: Simplify right side
11,395,500.21x = 98,118,862,428,686.78 - Step 5: Solve for x
x = 98,118,862,428,686.78/11,395,500.21 - Step 6: Final answer
x = 8,610,316.41
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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.