Finding the Fourth Proportional to 11,488,335.48, 15,853,697.28 and 6,261,390.72
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Solution
The fourth proportional to 11,488,335.48, 15,853,697.28 and 6,261,390.72 is: 8,640,607.09
Step by Step Solution
- Step 1: Write the proportion equation
11,488,335.48 : 15,853,697.28 = 6,261,390.72 : x - Step 2: Convert to fraction form
11,488,335.48/15,853,697.28 = 6,261,390.72/x - Step 3: Cross multiply
11,488,335.48x = 15,853,697.28 × 6,261,390.72 - Step 4: Simplify right side
11,488,335.48x = 99,266,193,026,681.23 - Step 5: Solve for x
x = 99,266,193,026,681.23/11,488,335.48 - Step 6: Final answer
x = 8,640,607.09
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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.