Finding the Fourth Proportional to 34,127,346.28, 47,095,904.37 and 18,657,431.68
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Solution
The fourth proportional to 34,127,346.28, 47,095,904.37 and 18,657,431.68 is: 25,747,346.75
Step by Step Solution
- Step 1: Write the proportion equation
34,127,346.28 : 47,095,904.37 = 18,657,431.68 : x - Step 2: Convert to fraction form
34,127,346.28/47,095,904.37 = 18,657,431.68/x - Step 3: Cross multiply
34,127,346.28x = 47,095,904.37 × 18,657,431.68 - Step 4: Simplify right side
34,127,346.28x = 878,688,618,191,088.38 - Step 5: Solve for x
x = 878,688,618,191,088.38/34,127,346.28 - Step 6: Final answer
x = 25,747,346.75
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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.