Finding the Fourth Proportional to 36,690,132.60, 55,041,841.92 and 18,448,420.28
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Solution
The fourth proportional to 36,690,132.60, 55,041,841.92 and 18,448,420.28 is: 27,675,970.64
Step by Step Solution
- Step 1: Write the proportion equation
36,690,132.60 : 55,041,841.92 = 18,448,420.28 : x - Step 2: Convert to fraction form
36,690,132.60/55,041,841.92 = 18,448,420.28/x - Step 3: Cross multiply
36,690,132.60x = 55,041,841.92 × 18,448,420.28 - Step 4: Simplify right side
36,690,132.60x = 1,015,435,032,725,482.25 - Step 5: Solve for x
x = 1,015,435,032,725,482.25/36,690,132.60 - Step 6: Final answer
x = 27,675,970.64
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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.