Finding the Fourth Proportional to 10,646,029.13, 16,002,377.21 and 7,026,021.07
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Solution
The fourth proportional to 10,646,029.13, 16,002,377.21 and 7,026,021.07 is: 10,561,030.61
Step by Step Solution
- Step 1: Write the proportion equation
10,646,029.13 : 16,002,377.21 = 7,026,021.07 : x - Step 2: Convert to fraction form
10,646,029.13/16,002,377.21 = 7,026,021.07/x - Step 3: Cross multiply
10,646,029.13x = 16,002,377.21 × 7,026,021.07 - Step 4: Simplify right side
10,646,029.13x = 112,433,039,425,106.92 - Step 5: Solve for x
x = 112,433,039,425,106.92/10,646,029.13 - Step 6: Final answer
x = 10,561,030.61
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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.