Finding the Fourth Proportional to 11,663,387.84, 17,493,088.14 and 3,141,731.40
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Solution
The fourth proportional to 11,663,387.84, 17,493,088.14 and 3,141,731.40 is: 4,712,060.09
Step by Step Solution
- Step 1: Write the proportion equation
11,663,387.84 : 17,493,088.14 = 3,141,731.40 : x - Step 2: Convert to fraction form
11,663,387.84/17,493,088.14 = 3,141,731.40/x - Step 3: Cross multiply
11,663,387.84x = 17,493,088.14 × 3,141,731.40 - Step 4: Simplify right side
11,663,387.84x = 54,958,584,292,405.59 - Step 5: Solve for x
x = 54,958,584,292,405.59/11,663,387.84 - Step 6: Final answer
x = 4,712,060.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.