Finding the Fourth Proportional to 36,700,492.70, 55,048,989.45 and 12,437,039.90
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Solution
The fourth proportional to 36,700,492.70, 55,048,989.45 and 12,437,039.90 is: 18,654,966.95
Step by Step Solution
- Step 1: Write the proportion equation
36,700,492.70 : 55,048,989.45 = 12,437,039.90 : x - Step 2: Convert to fraction form
36,700,492.70/55,048,989.45 = 12,437,039.90/x - Step 3: Cross multiply
36,700,492.70x = 55,048,989.45 × 12,437,039.90 - Step 4: Simplify right side
36,700,492.70x = 684,646,478,244,329.12 - Step 5: Solve for x
x = 684,646,478,244,329.12/36,700,492.70 - Step 6: Final answer
x = 18,654,966.95
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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.