Finding the Fourth Proportional to 9,968,106.90, 14,952,160.35 and 5,433,143.70
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Solution
The fourth proportional to 9,968,106.90, 14,952,160.35 and 5,433,143.70 is: 8,149,715.55
Step by Step Solution
- Step 1: Write the proportion equation
9,968,106.90 : 14,952,160.35 = 5,433,143.70 : x - Step 2: Convert to fraction form
9,968,106.90/14,952,160.35 = 5,433,143.70/x - Step 3: Cross multiply
9,968,106.90x = 14,952,160.35 × 5,433,143.70 - Step 4: Simplify right side
9,968,106.90x = 81,237,235,806,992.30 - Step 5: Solve for x
x = 81,237,235,806,992.30/9,968,106.90 - Step 6: Final answer
x = 8,149,715.55
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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.