Finding the Fourth Proportional to 36,692,925.07, 50,636,268.98 and 20,173,330.70
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Solution
The fourth proportional to 36,692,925.07, 50,636,268.98 and 20,173,330.70 is: 27,839,214.17
Step by Step Solution
- Step 1: Write the proportion equation
36,692,925.07 : 50,636,268.98 = 20,173,330.70 : x - Step 2: Convert to fraction form
36,692,925.07/50,636,268.98 = 20,173,330.70/x - Step 3: Cross multiply
36,692,925.07x = 50,636,268.98 × 20,173,330.70 - Step 4: Simplify right side
36,692,925.07x = 1,021,502,199,366,509.25 - Step 5: Solve for x
x = 1,021,502,199,366,509.25/36,692,925.07 - Step 6: Final answer
x = 27,839,214.17
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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.