Finding the Fourth Proportional to 11,823,417.62, 16,316,319.09 and 6,666,780.23
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Solution
The fourth proportional to 11,823,417.62, 16,316,319.09 and 6,666,780.23 is: 9,200,158.28
Step by Step Solution
- Step 1: Write the proportion equation
11,823,417.62 : 16,316,319.09 = 6,666,780.23 : x - Step 2: Convert to fraction form
11,823,417.62/16,316,319.09 = 6,666,780.23/x - Step 3: Cross multiply
11,823,417.62x = 16,316,319.09 × 6,666,780.23 - Step 4: Simplify right side
11,823,417.62x = 108,777,313,540,188.61 - Step 5: Solve for x
x = 108,777,313,540,188.61/11,823,417.62 - Step 6: Final answer
x = 9,200,158.28
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1.5x scale
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.