Finding the Fourth Proportional to 56,623,021.41, 84,907,696.94 and 19,722,041.81
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Solution
The fourth proportional to 56,623,021.41, 84,907,696.94 and 19,722,041.81 is: 29,573,715.90
Step by Step Solution
- Step 1: Write the proportion equation
56,623,021.41 : 84,907,696.94 = 19,722,041.81 : x - Step 2: Convert to fraction form
56,623,021.41/84,907,696.94 = 19,722,041.81/x - Step 3: Cross multiply
56,623,021.41x = 84,907,696.94 × 19,722,041.81 - Step 4: Simplify right side
56,623,021.41x = 1,674,553,148,910,701.75 - Step 5: Solve for x
x = 1,674,553,148,910,701.75/56,623,021.41 - Step 6: Final answer
x = 29,573,715.90
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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.