Finding the Fourth Proportional to 12,959,547.75, 19,442,470.91 and 3,984,099.75
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Solution
The fourth proportional to 12,959,547.75, 19,442,470.91 and 3,984,099.75 is: 5,977,117.80
Step by Step Solution
- Step 1: Write the proportion equation
12,959,547.75 : 19,442,470.91 = 3,984,099.75 : x - Step 2: Convert to fraction form
12,959,547.75/19,442,470.91 = 3,984,099.75/x - Step 3: Cross multiply
12,959,547.75x = 19,442,470.91 × 3,984,099.75 - Step 4: Simplify right side
12,959,547.75x = 77,460,743,471,992.78 - Step 5: Solve for x
x = 77,460,743,471,992.78/12,959,547.75 - Step 6: Final answer
x = 5,977,117.80
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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.