Finding the Fourth Proportional to 25,812,120.12, 38,717,917.72 and 6,642,802.68
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Solution
The fourth proportional to 25,812,120.12, 38,717,917.72 and 6,642,802.68 is: 9,964,136.48
Step by Step Solution
- Step 1: Write the proportion equation
25,812,120.12 : 38,717,917.72 = 6,642,802.68 : x - Step 2: Convert to fraction form
25,812,120.12/38,717,917.72 = 6,642,802.68/x - Step 3: Cross multiply
25,812,120.12x = 38,717,917.72 × 6,642,802.68 - Step 4: Simplify right side
25,812,120.12x = 257,195,487,594,435.47 - Step 5: Solve for x
x = 257,195,487,594,435.47/25,812,120.12 - Step 6: Final answer
x = 9,964,136.48
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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.