Finding the Fourth Proportional to 36,032,515.60, 49,724,919.48 and 19,512,668.68
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Solution
The fourth proportional to 36,032,515.60, 49,724,919.48 and 19,512,668.68 is: 26,927,508.75
Step by Step Solution
- Step 1: Write the proportion equation
36,032,515.60 : 49,724,919.48 = 19,512,668.68 : x - Step 2: Convert to fraction form
36,032,515.60/49,724,919.48 = 19,512,668.68/x - Step 3: Cross multiply
36,032,515.60x = 49,724,919.48 × 19,512,668.68 - Step 4: Simplify right side
36,032,515.60x = 970,265,878,952,917.75 - Step 5: Solve for x
x = 970,265,878,952,917.75/36,032,515.60 - Step 6: Final answer
x = 26,927,508.75
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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.