Finding the Fourth Proportional to 19,823,034.47, 29,763,740.57 and 11,086,430.05
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Solution
The fourth proportional to 19,823,034.47, 29,763,740.57 and 11,086,430.05 is: 16,645,969.53
Step by Step Solution
- Step 1: Write the proportion equation
19,823,034.47 : 29,763,740.57 = 11,086,430.05 : x - Step 2: Convert to fraction form
19,823,034.47/29,763,740.57 = 11,086,430.05/x - Step 3: Cross multiply
19,823,034.47x = 29,763,740.57 × 11,086,430.05 - Step 4: Simplify right side
19,823,034.47x = 329,973,627,725,810.62 - Step 5: Solve for x
x = 329,973,627,725,810.62/19,823,034.47 - Step 6: Final answer
x = 16,645,969.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.