Finding the Fourth Proportional to 15,117,957.40, 22,676,936.10 and 13,795,259.80
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Solution
The fourth proportional to 15,117,957.40, 22,676,936.10 and 13,795,259.80 is: 20,692,889.70
Step by Step Solution
- Step 1: Write the proportion equation
15,117,957.40 : 22,676,936.10 = 13,795,259.80 : x - Step 2: Convert to fraction form
15,117,957.40/22,676,936.10 = 13,795,259.80/x - Step 3: Cross multiply
15,117,957.40x = 22,676,936.10 × 13,795,259.80 - Step 4: Simplify right side
15,117,957.40x = 312,834,224,967,498.81 - Step 5: Solve for x
x = 312,834,224,967,498.81/15,117,957.40 - Step 6: Final answer
x = 20,692,889.70
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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.