Finding the Fourth Proportional to 7,164,703.04, 9,887,029.14 and 3,901,446.18
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Solution
The fourth proportional to 7,164,703.04, 9,887,029.14 and 3,901,446.18 is: 5,383,853.57
Step by Step Solution
- Step 1: Write the proportion equation
7,164,703.04 : 9,887,029.14 = 3,901,446.18 : x - Step 2: Convert to fraction form
7,164,703.04/9,887,029.14 = 3,901,446.18/x - Step 3: Cross multiply
7,164,703.04x = 9,887,029.14 × 3,901,446.18 - Step 4: Simplify right side
7,164,703.04x = 38,573,712,069,801.69 - Step 5: Solve for x
x = 38,573,712,069,801.69/7,164,703.04 - Step 6: Final answer
x = 5,383,853.57
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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.