Finding the Fourth Proportional to 30,436,292.08, 42,006,570.45 and 19,273,803.99
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Solution
The fourth proportional to 30,436,292.08, 42,006,570.45 and 19,273,803.99 is: 26,600,691.14
Step by Step Solution
- Step 1: Write the proportion equation
30,436,292.08 : 42,006,570.45 = 19,273,803.99 : x - Step 2: Convert to fraction form
30,436,292.08/42,006,570.45 = 19,273,803.99/x - Step 3: Cross multiply
30,436,292.08x = 42,006,570.45 × 19,273,803.99 - Step 4: Simplify right side
30,436,292.08x = 809,626,405,145,426.12 - Step 5: Solve for x
x = 809,626,405,145,426.12/30,436,292.08 - Step 6: Final answer
x = 26,600,691.14
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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.