Finding the Fourth Proportional to 19,695,618.16, 27,184,488 and 11,549,480.56
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Solution
The fourth proportional to 19,695,618.16, 27,184,488 and 11,549,480.56 is: 15,940,942.45
Step by Step Solution
- Step 1: Write the proportion equation
19,695,618.16 : 27,184,488 = 11,549,480.56 : x - Step 2: Convert to fraction form
19,695,618.16/27,184,488 = 11,549,480.56/x - Step 3: Cross multiply
19,695,618.16x = 27,184,488 × 11,549,480.56 - Step 4: Simplify right side
19,695,618.16x = 313,966,715,689,553.31 - Step 5: Solve for x
x = 313,966,715,689,553.31/19,695,618.16 - Step 6: Final answer
x = 15,940,942.45
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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.