Finding the Fourth Proportional to 13,338,202.14, 18,406,478.52 and 7,536,859.02
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Solution
The fourth proportional to 13,338,202.14, 18,406,478.52 and 7,536,859.02 is: 10,400,729.59
Step by Step Solution
- Step 1: Write the proportion equation
13,338,202.14 : 18,406,478.52 = 7,536,859.02 : x - Step 2: Convert to fraction form
13,338,202.14/18,406,478.52 = 7,536,859.02/x - Step 3: Cross multiply
13,338,202.14x = 18,406,478.52 × 7,536,859.02 - Step 4: Simplify right side
13,338,202.14x = 138,727,033,659,898.23 - Step 5: Solve for x
x = 138,727,033,659,898.23/13,338,202.14 - Step 6: Final answer
x = 10,400,729.59
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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.