Finding the Fourth Proportional to 19,536,237.48, 26,966,044.79 and 12,566,915.18
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Solution
The fourth proportional to 19,536,237.48, 26,966,044.79 and 12,566,915.18 is: 17,346,226.36
Step by Step Solution
- Step 1: Write the proportion equation
19,536,237.48 : 26,966,044.79 = 12,566,915.18 : x - Step 2: Convert to fraction form
19,536,237.48/26,966,044.79 = 12,566,915.18/x - Step 3: Cross multiply
19,536,237.48x = 26,966,044.79 × 12,566,915.18 - Step 4: Simplify right side
19,536,237.48x = 338,879,997,620,591.44 - Step 5: Solve for x
x = 338,879,997,620,591.44/19,536,237.48 - Step 6: Final answer
x = 17,346,226.36
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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.