Finding the Fourth Proportional to 19,593,645.48, 27,035,962.40 and 10,890,634.80
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Solution
The fourth proportional to 19,593,645.48, 27,035,962.40 and 10,890,634.80 is: 15,027,259.39
Step by Step Solution
- Step 1: Write the proportion equation
19,593,645.48 : 27,035,962.40 = 10,890,634.80 : x - Step 2: Convert to fraction form
19,593,645.48/27,035,962.40 = 10,890,634.80/x - Step 3: Cross multiply
19,593,645.48x = 27,035,962.40 × 10,890,634.80 - Step 4: Simplify right side
19,593,645.48x = 294,438,792,910,478.38 - Step 5: Solve for x
x = 294,438,792,910,478.38/19,593,645.48 - Step 6: Final answer
x = 15,027,259.39
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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.