Finding the Fourth Proportional to 23,131,374.48, 31,921,485.66 and 12,818,269.80
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Solution
The fourth proportional to 23,131,374.48, 31,921,485.66 and 12,818,269.80 is: 17,689,316.99
Step by Step Solution
- Step 1: Write the proportion equation
23,131,374.48 : 31,921,485.66 = 12,818,269.80 : x - Step 2: Convert to fraction form
23,131,374.48/31,921,485.66 = 12,818,269.80/x - Step 3: Cross multiply
23,131,374.48x = 31,921,485.66 × 12,818,269.80 - Step 4: Simplify right side
23,131,374.48x = 409,178,215,606,711.06 - Step 5: Solve for x
x = 409,178,215,606,711.06/23,131,374.48 - Step 6: Final answer
x = 17,689,316.99
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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.