Finding the Fourth Proportional to 21,343,043.16, 29,453,470.02 and 11,553,484.68
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Solution
The fourth proportional to 21,343,043.16, 29,453,470.02 and 11,553,484.68 is: 15,943,847.00
Step by Step Solution
- Step 1: Write the proportion equation
21,343,043.16 : 29,453,470.02 = 11,553,484.68 : x - Step 2: Convert to fraction form
21,343,043.16/29,453,470.02 = 11,553,484.68/x - Step 3: Cross multiply
21,343,043.16x = 29,453,470.02 × 11,553,484.68 - Step 4: Simplify right side
21,343,043.16x = 340,290,214,648,909.25 - Step 5: Solve for x
x = 340,290,214,648,909.25/21,343,043.16 - Step 6: Final answer
x = 15,943,847.00
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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.