Finding the Fourth Proportional to 61,403,698.87, 84,706,513.70 and 36,606,412.74
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Solution
The fourth proportional to 61,403,698.87, 84,706,513.70 and 36,606,412.74 is: 50,498,612.61
Step by Step Solution
- Step 1: Write the proportion equation
61,403,698.87 : 84,706,513.70 = 36,606,412.74 : x - Step 2: Convert to fraction form
61,403,698.87/84,706,513.70 = 36,606,412.74/x - Step 3: Cross multiply
61,403,698.87x = 84,706,513.70 × 36,606,412.74 - Step 4: Simplify right side
61,403,698.87x = 3,100,801,601,926,807 - Step 5: Solve for x
x = 3,100,801,601,926,807/61,403,698.87 - Step 6: Final answer
x = 50,498,612.61
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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.