Finding the Fourth Proportional to 16,237,373.84, 24,338,455.68 and 8,130,806.72
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Solution
The fourth proportional to 16,237,373.84, 24,338,455.68 and 8,130,806.72 is: 12,187,394.40
Step by Step Solution
- Step 1: Write the proportion equation
16,237,373.84 : 24,338,455.68 = 8,130,806.72 : x - Step 2: Convert to fraction form
16,237,373.84/24,338,455.68 = 8,130,806.72/x - Step 3: Cross multiply
16,237,373.84x = 24,338,455.68 × 8,130,806.72 - Step 4: Simplify right side
16,237,373.84x = 197,891,278,997,366.16 - Step 5: Solve for x
x = 197,891,278,997,366.16/16,237,373.84 - Step 6: Final answer
x = 12,187,394.40
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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.