Finding the Fourth Proportional to 11,824,478.10, 16,317,803.70 and 6,391,970.10
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Solution
The fourth proportional to 11,824,478.10, 16,317,803.70 and 6,391,970.10 is: 8,820,931.67
Step by Step Solution
- Step 1: Write the proportion equation
11,824,478.10 : 16,317,803.70 = 6,391,970.10 : x - Step 2: Convert to fraction form
11,824,478.10/16,317,803.70 = 6,391,970.10/x - Step 3: Cross multiply
11,824,478.10x = 16,317,803.70 × 6,391,970.10 - Step 4: Simplify right side
11,824,478.10x = 104,302,913,348,069.36 - Step 5: Solve for x
x = 104,302,913,348,069.36/11,824,478.10 - Step 6: Final answer
x = 8,820,931.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.