Finding the Fourth Proportional to 19,695,530.84, 27,184,367.50 and 11,549,393.24
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Solution
The fourth proportional to 19,695,530.84, 27,184,367.50 and 11,549,393.24 is: 15,940,821.95
Step by Step Solution
- Step 1: Write the proportion equation
19,695,530.84 : 27,184,367.50 = 11,549,393.24 : x - Step 2: Convert to fraction form
19,695,530.84/27,184,367.50 = 11,549,393.24/x - Step 3: Cross multiply
19,695,530.84x = 27,184,367.50 × 11,549,393.24 - Step 4: Simplify right side
19,695,530.84x = 313,962,950,238,175.69 - Step 5: Solve for x
x = 313,962,950,238,175.69/19,695,530.84 - Step 6: Final answer
x = 15,940,821.95
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1.5x scale
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.