Finding the Fourth Proportional to 14,011,387.21, 19,333,319.74 and 8,129,673.03
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Solution
The fourth proportional to 14,011,387.21, 19,333,319.74 and 8,129,673.03 is: 11,217,559.38
Step by Step Solution
- Step 1: Write the proportion equation
14,011,387.21 : 19,333,319.74 = 8,129,673.03 : x - Step 2: Convert to fraction form
14,011,387.21/19,333,319.74 = 8,129,673.03/x - Step 3: Cross multiply
14,011,387.21x = 19,333,319.74 × 8,129,673.03 - Step 4: Simplify right side
14,011,387.21x = 157,173,568,014,070.47 - Step 5: Solve for x
x = 157,173,568,014,070.47/14,011,387.21 - Step 6: Final answer
x = 11,217,559.38
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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.