Finding the Fourth Proportional to 11,427,801.54, 15,770,821.02 and 6,271,347.63
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Solution
The fourth proportional to 11,427,801.54, 15,770,821.02 and 6,271,347.63 is: 8,654,709.37
Step by Step Solution
- Step 1: Write the proportion equation
11,427,801.54 : 15,770,821.02 = 6,271,347.63 : x - Step 2: Convert to fraction form
11,427,801.54/15,770,821.02 = 6,271,347.63/x - Step 3: Cross multiply
11,427,801.54x = 15,770,821.02 × 6,271,347.63 - Step 4: Simplify right side
11,427,801.54x = 98,904,301,026,931.17 - Step 5: Solve for x
x = 98,904,301,026,931.17/11,427,801.54 - Step 6: Final answer
x = 8,654,709.37
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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.