Finding the Fourth Proportional to 14,223,121.13, 19,621,652.33 and 8,339,752.28
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Solution
The fourth proportional to 14,223,121.13, 19,621,652.33 and 8,339,752.28 is: 11,505,190.61
Step by Step Solution
- Step 1: Write the proportion equation
14,223,121.13 : 19,621,652.33 = 8,339,752.28 : x - Step 2: Convert to fraction form
14,223,121.13/19,621,652.33 = 8,339,752.28/x - Step 3: Cross multiply
14,223,121.13x = 19,621,652.33 × 8,339,752.28 - Step 4: Simplify right side
14,223,121.13x = 163,639,719,679,225.94 - Step 5: Solve for x
x = 163,639,719,679,225.94/14,223,121.13 - Step 6: Final answer
x = 11,505,190.61
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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.