Finding the Fourth Proportional to 12,224,913.84, 18,337,979.84 and 4,652,466.48
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Solution
The fourth proportional to 12,224,913.84, 18,337,979.84 and 4,652,466.48 is: 6,978,931.52
Step by Step Solution
- Step 1: Write the proportion equation
12,224,913.84 : 18,337,979.84 = 4,652,466.48 : x - Step 2: Convert to fraction form
12,224,913.84/18,337,979.84 = 4,652,466.48/x - Step 3: Cross multiply
12,224,913.84x = 18,337,979.84 × 4,652,466.48 - Step 4: Simplify right side
12,224,913.84x = 85,316,836,516,515.77 - Step 5: Solve for x
x = 85,316,836,516,515.77/12,224,913.84 - Step 6: Final answer
x = 6,978,931.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.