Finding the Fourth Proportional to 34,588,172.28, 47,732,641.80 and 19,119,251.54
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Solution
The fourth proportional to 34,588,172.28, 47,732,641.80 and 19,119,251.54 is: 26,385,100.02
Step by Step Solution
- Step 1: Write the proportion equation
34,588,172.28 : 47,732,641.80 = 19,119,251.54 : x - Step 2: Convert to fraction form
34,588,172.28/47,732,641.80 = 19,119,251.54/x - Step 3: Cross multiply
34,588,172.28x = 47,732,641.80 × 19,119,251.54 - Step 4: Simplify right side
34,588,172.28x = 912,612,385,242,918.25 - Step 5: Solve for x
x = 912,612,385,242,918.25/34,588,172.28 - Step 6: Final answer
x = 26,385,100.02
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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.