Finding the Fourth Proportional to 18,386,044.80, 27,537,076.80 and 10,827,772.80
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Solution
The fourth proportional to 18,386,044.80, 27,537,076.80 and 10,827,772.80 is: 16,216,930.53
Step by Step Solution
- Step 1: Write the proportion equation
18,386,044.80 : 27,537,076.80 = 10,827,772.80 : x - Step 2: Convert to fraction form
18,386,044.80/27,537,076.80 = 10,827,772.80/x - Step 3: Cross multiply
18,386,044.80x = 27,537,076.80 × 10,827,772.80 - Step 4: Simplify right side
18,386,044.80x = 298,165,211,166,551.06 - Step 5: Solve for x
x = 298,165,211,166,551.06/18,386,044.80 - Step 6: Final answer
x = 16,216,930.53
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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.