Finding the Fourth Proportional to 10,959,936.20, 15,124,741.40 and 6,065,495.81
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Solution
The fourth proportional to 10,959,936.20, 15,124,741.40 and 6,065,495.81 is: 8,370,400.52
Step by Step Solution
- Step 1: Write the proportion equation
10,959,936.20 : 15,124,741.40 = 6,065,495.81 : x - Step 2: Convert to fraction form
10,959,936.20/15,124,741.40 = 6,065,495.81/x - Step 3: Cross multiply
10,959,936.20x = 15,124,741.40 × 6,065,495.81 - Step 4: Simplify right side
10,959,936.20x = 91,739,055,670,368.02 - Step 5: Solve for x
x = 91,739,055,670,368.02/10,959,936.20 - Step 6: Final answer
x = 8,370,400.52
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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.