Finding the Fourth Proportional to 26,631,189.36, 36,751,049.19 and 15,031,210.14
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Solution
The fourth proportional to 26,631,189.36, 36,751,049.19 and 15,031,210.14 is: 20,743,074.44
Step by Step Solution
- Step 1: Write the proportion equation
26,631,189.36 : 36,751,049.19 = 15,031,210.14 : x - Step 2: Convert to fraction form
26,631,189.36/36,751,049.19 = 15,031,210.14/x - Step 3: Cross multiply
26,631,189.36x = 36,751,049.19 × 15,031,210.14 - Step 4: Simplify right side
26,631,189.36x = 552,412,743,240,366.75 - Step 5: Solve for x
x = 552,412,743,240,366.75/26,631,189.36 - Step 6: Final answer
x = 20,743,074.44
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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.