Finding the Fourth Proportional to 14,343,982.16, 19,794,188.92 and 7,817,482.09
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Solution
The fourth proportional to 14,343,982.16, 19,794,188.92 and 7,817,482.09 is: 10,787,849.25
Step by Step Solution
- Step 1: Write the proportion equation
14,343,982.16 : 19,794,188.92 = 7,817,482.09 : x - Step 2: Convert to fraction form
14,343,982.16/19,794,188.92 = 7,817,482.09/x - Step 3: Cross multiply
14,343,982.16x = 19,794,188.92 × 7,817,482.09 - Step 4: Simplify right side
14,343,982.16x = 154,740,717,230,118.09 - Step 5: Solve for x
x = 154,740,717,230,118.09/14,343,982.16 - Step 6: Final answer
x = 10,787,849.25
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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.