Finding the Fourth Proportional to 11,487,309.09, 15,852,486.69 and 6,330,670.59
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Solution
The fourth proportional to 11,487,309.09, 15,852,486.69 and 6,330,670.59 is: 8,736,325.49
Step by Step Solution
- Step 1: Write the proportion equation
11,487,309.09 : 15,852,486.69 = 6,330,670.59 : x - Step 2: Convert to fraction form
11,487,309.09/15,852,486.69 = 6,330,670.59/x - Step 3: Cross multiply
11,487,309.09x = 15,852,486.69 × 6,330,670.59 - Step 4: Simplify right side
11,487,309.09x = 100,356,871,266,749.44 - Step 5: Solve for x
x = 100,356,871,266,749.44/11,487,309.09 - Step 6: Final answer
x = 8,736,325.49
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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.