Finding the Fourth Proportional to 13,560,235.04, 18,713,261.68 and 7,365,402.70
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Solution
The fourth proportional to 13,560,235.04, 18,713,261.68 and 7,365,402.70 is: 10,164,330.32
Step by Step Solution
- Step 1: Write the proportion equation
13,560,235.04 : 18,713,261.68 = 7,365,402.70 : x - Step 2: Convert to fraction form
13,560,235.04/18,713,261.68 = 7,365,402.70/x - Step 3: Cross multiply
13,560,235.04x = 18,713,261.68 × 7,365,402.70 - Step 4: Simplify right side
13,560,235.04x = 137,830,708,103,678.53 - Step 5: Solve for x
x = 137,830,708,103,678.53/13,560,235.04 - Step 6: Final answer
x = 10,164,330.32
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1.5x scale
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.