Finding the Fourth Proportional to 18,386,013.30, 27,537,029.55 and 10,827,741.30
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Solution
The fourth proportional to 18,386,013.30, 27,537,029.55 and 10,827,741.30 is: 16,216,883.31
Step by Step Solution
- Step 1: Write the proportion equation
18,386,013.30 : 27,537,029.55 = 10,827,741.30 : x - Step 2: Convert to fraction form
18,386,013.30/27,537,029.55 = 10,827,741.30/x - Step 3: Cross multiply
18,386,013.30x = 27,537,029.55 × 10,827,741.30 - Step 4: Simplify right side
18,386,013.30x = 298,163,832,137,855.44 - Step 5: Solve for x
x = 298,163,832,137,855.44/18,386,013.30 - Step 6: Final answer
x = 16,216,883.31
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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.