Finding the Fourth Proportional to 18,977,006.90, 26,168,696.52 and 16,232,779.28
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Solution
The fourth proportional to 18,977,006.90, 26,168,696.52 and 16,232,779.28 is: 22,384,492.82
Step by Step Solution
- Step 1: Write the proportion equation
18,977,006.90 : 26,168,696.52 = 16,232,779.28 : x - Step 2: Convert to fraction form
18,977,006.90/26,168,696.52 = 16,232,779.28/x - Step 3: Cross multiply
18,977,006.90x = 26,168,696.52 × 16,232,779.28 - Step 4: Simplify right side
18,977,006.90x = 424,790,674,654,464.06 - Step 5: Solve for x
x = 424,790,674,654,464.06/18,977,006.90 - Step 6: Final answer
x = 22,384,492.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.