Finding the Fourth Proportional to 11,395,500.96, 15,725,837.16 and 6,239,342.28
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Solution
The fourth proportional to 11,395,500.96, 15,725,837.16 and 6,239,342.28 is: 8,610,317.44
Step by Step Solution
- Step 1: Write the proportion equation
11,395,500.96 : 15,725,837.16 = 6,239,342.28 : x - Step 2: Convert to fraction form
11,395,500.96/15,725,837.16 = 6,239,342.28/x - Step 3: Cross multiply
11,395,500.96x = 15,725,837.16 × 6,239,342.28 - Step 4: Simplify right side
11,395,500.96x = 98,118,880,680,783.12 - Step 5: Solve for x
x = 98,118,880,680,783.12/11,395,500.96 - Step 6: Final answer
x = 8,610,317.44
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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.