Finding the Fourth Proportional to 11,395,515.77, 15,725,214.47 and 6,237,889.37
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Solution
The fourth proportional to 11,395,515.77, 15,725,214.47 and 6,237,889.37 is: 8,607,960.37
Step by Step Solution
- Step 1: Write the proportion equation
11,395,515.77 : 15,725,214.47 = 6,237,889.37 : x - Step 2: Convert to fraction form
11,395,515.77/15,725,214.47 = 6,237,889.37/x - Step 3: Cross multiply
11,395,515.77x = 15,725,214.47 × 6,237,889.37 - Step 4: Simplify right side
11,395,515.77x = 98,092,148,104,757.12 - Step 5: Solve for x
x = 98,092,148,104,757.12/11,395,515.77 - Step 6: Final answer
x = 8,607,960.37
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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.