Finding the Fourth Proportional to 12,137,950.04, 18,209,549.46 and 6,457,348.76
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Solution
The fourth proportional to 12,137,950.04, 18,209,549.46 and 6,457,348.76 is: 9,687,419.31
Step by Step Solution
- Step 1: Write the proportion equation
12,137,950.04 : 18,209,549.46 = 6,457,348.76 : x - Step 2: Convert to fraction form
12,137,950.04/18,209,549.46 = 6,457,348.76/x - Step 3: Cross multiply
12,137,950.04x = 18,209,549.46 × 6,457,348.76 - Step 4: Simplify right side
12,137,950.04x = 117,585,411,625,689.67 - Step 5: Solve for x
x = 117,585,411,625,689.67/12,137,950.04 - Step 6: Final answer
x = 9,687,419.31
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1.5x scale
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.