Finding the Fourth Proportional to 22,386,887.60, 33,588,625.80 and 21,557,447.60
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Solution
The fourth proportional to 22,386,887.60, 33,588,625.80 and 21,557,447.60 is: 32,344,158.49
Step by Step Solution
- Step 1: Write the proportion equation
22,386,887.60 : 33,588,625.80 = 21,557,447.60 : x - Step 2: Convert to fraction form
22,386,887.60/33,588,625.80 = 21,557,447.60/x - Step 3: Cross multiply
22,386,887.60x = 33,588,625.80 × 21,557,447.60 - Step 4: Simplify right side
22,386,887.60x = 724,085,040,639,508.12 - Step 5: Solve for x
x = 724,085,040,639,508.12/22,386,887.60 - Step 6: Final answer
x = 32,344,158.49
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1.5x scale
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.