Finding the Fourth Proportional to 15,461,364.74, 23,184,113.85 and 8,178,755.18
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Solution
The fourth proportional to 15,461,364.74, 23,184,113.85 and 8,178,755.18 is: 12,263,936.23
Step by Step Solution
- Step 1: Write the proportion equation
15,461,364.74 : 23,184,113.85 = 8,178,755.18 : x - Step 2: Convert to fraction form
15,461,364.74/23,184,113.85 = 8,178,755.18/x - Step 3: Cross multiply
15,461,364.74x = 23,184,113.85 × 8,178,755.18 - Step 4: Simplify right side
15,461,364.74x = 189,617,191,244,397.25 - Step 5: Solve for x
x = 189,617,191,244,397.25/15,461,364.74 - Step 6: Final answer
x = 12,263,936.23
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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.