Finding the Fourth Proportional to 34,186,918.12, 47,177,925.36 and 18,716,998.68
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Solution
The fourth proportional to 34,186,918.12, 47,177,925.36 and 18,716,998.68 is: 25,829,446.33
Step by Step Solution
- Step 1: Write the proportion equation
34,186,918.12 : 47,177,925.36 = 18,716,998.68 : x - Step 2: Convert to fraction form
34,186,918.12/47,177,925.36 = 18,716,998.68/x - Step 3: Cross multiply
34,186,918.12x = 47,177,925.36 × 18,716,998.68 - Step 4: Simplify right side
34,186,918.12x = 883,029,166,688,258.50 - Step 5: Solve for x
x = 883,029,166,688,258.50/34,186,918.12 - Step 6: Final answer
x = 25,829,446.33
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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.