Finding the Fourth Proportional to 14,080,140.18, 19,428,987.12 and 7,884,325.44
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Solution
The fourth proportional to 14,080,140.18, 19,428,987.12 and 7,884,325.44 is: 10,879,469.63
Step by Step Solution
- Step 1: Write the proportion equation
14,080,140.18 : 19,428,987.12 = 7,884,325.44 : x - Step 2: Convert to fraction form
14,080,140.18/19,428,987.12 = 7,884,325.44/x - Step 3: Cross multiply
14,080,140.18x = 19,428,987.12 × 7,884,325.44 - Step 4: Simplify right side
14,080,140.18x = 153,184,457,423,648.34 - Step 5: Solve for x
x = 153,184,457,423,648.34/14,080,140.18 - Step 6: Final answer
x = 10,879,469.63
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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.