Finding the Fourth Proportional to 43,203,631.58, 64,805,513.12 and 17,644,640.98
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Solution
The fourth proportional to 43,203,631.58, 64,805,513.12 and 17,644,640.98 is: 26,466,988.32
Step by Step Solution
- Step 1: Write the proportion equation
43,203,631.58 : 64,805,513.12 = 17,644,640.98 : x - Step 2: Convert to fraction form
43,203,631.58/64,805,513.12 = 17,644,640.98/x - Step 3: Cross multiply
43,203,631.58x = 64,805,513.12 × 17,644,640.98 - Step 4: Simplify right side
43,203,631.58x = 1,143,470,012,527,079.75 - Step 5: Solve for x
x = 1,143,470,012,527,079.75/43,203,631.58 - Step 6: Final answer
x = 26,466,988.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.