Finding the Fourth Proportional to 11,507,897.85, 15,880,673.64 and 6,280,943.41
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Solution
The fourth proportional to 11,507,897.85, 15,880,673.64 and 6,280,943.41 is: 8,667,578.89
Step by Step Solution
- Step 1: Write the proportion equation
11,507,897.85 : 15,880,673.64 = 6,280,943.41 : x - Step 2: Convert to fraction form
11,507,897.85/15,880,673.64 = 6,280,943.41/x - Step 3: Cross multiply
11,507,897.85x = 15,880,673.64 × 6,280,943.41 - Step 4: Simplify right side
11,507,897.85x = 99,745,612,445,518.72 - Step 5: Solve for x
x = 99,745,612,445,518.72/11,507,897.85 - Step 6: Final answer
x = 8,667,578.89
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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.