Finding the Fourth Proportional to 34,457,864.85, 47,552,172.36 and 18,988,503.06
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Solution
The fourth proportional to 34,457,864.85, 47,552,172.36 and 18,988,503.06 is: 26,204,309.94
Step by Step Solution
- Step 1: Write the proportion equation
34,457,864.85 : 47,552,172.36 = 18,988,503.06 : x - Step 2: Convert to fraction form
34,457,864.85/47,552,172.36 = 18,988,503.06/x - Step 3: Cross multiply
34,457,864.85x = 47,552,172.36 × 18,988,503.06 - Step 4: Simplify right side
34,457,864.85x = 902,944,570,367,507.38 - Step 5: Solve for x
x = 902,944,570,367,507.38/34,457,864.85 - Step 6: Final answer
x = 26,204,309.94
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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.