Finding the Fourth Proportional to 30,436,291.08, 42,006,569.07 and 19,273,802.99
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Solution
The fourth proportional to 30,436,291.08, 42,006,569.07 and 19,273,802.99 is: 26,600,689.75
Step by Step Solution
- Step 1: Write the proportion equation
30,436,291.08 : 42,006,569.07 = 19,273,802.99 : x - Step 2: Convert to fraction form
30,436,291.08/42,006,569.07 = 19,273,802.99/x - Step 3: Cross multiply
30,436,291.08x = 42,006,569.07 × 19,273,802.99 - Step 4: Simplify right side
30,436,291.08x = 809,626,336,294,836.25 - Step 5: Solve for x
x = 809,626,336,294,836.25/30,436,291.08 - Step 6: Final answer
x = 26,600,689.75
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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.