Finding the Fourth Proportional to 21,954,337.47, 30,296,955.99 and 12,165,415.58
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Solution
The fourth proportional to 21,954,337.47, 30,296,955.99 and 12,165,415.58 is: 16,788,257.04
Step by Step Solution
- Step 1: Write the proportion equation
21,954,337.47 : 30,296,955.99 = 12,165,415.58 : x - Step 2: Convert to fraction form
21,954,337.47/30,296,955.99 = 12,165,415.58/x - Step 3: Cross multiply
21,954,337.47x = 30,296,955.99 × 12,165,415.58 - Step 4: Simplify right side
21,954,337.47x = 368,575,060,548,683 - Step 5: Solve for x
x = 368,575,060,548,683/21,954,337.47 - Step 6: Final answer
x = 16,788,257.04
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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.