Finding the Fourth Proportional to 52,585,646.40, 72,571,947.18 and 29,063,677.68
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Solution
The fourth proportional to 52,585,646.40, 72,571,947.18 and 29,063,677.68 is: 40,109,950.64
Step by Step Solution
- Step 1: Write the proportion equation
52,585,646.40 : 72,571,947.18 = 29,063,677.68 : x - Step 2: Convert to fraction form
52,585,646.40/72,571,947.18 = 29,063,677.68/x - Step 3: Cross multiply
52,585,646.40x = 72,571,947.18 × 29,063,677.68 - Step 4: Simplify right side
52,585,646.40x = 2,109,207,681,449,505.25 - Step 5: Solve for x
x = 2,109,207,681,449,505.25/52,585,646.40 - Step 6: Final answer
x = 40,109,950.64
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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.