Finding the Fourth Proportional to 19,695,523.99, 27,184,358.07 and 11,549,386.39
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Solution
The fourth proportional to 19,695,523.99, 27,184,358.07 and 11,549,386.39 is: 15,940,812.50
Step by Step Solution
- Step 1: Write the proportion equation
19,695,523.99 : 27,184,358.07 = 11,549,386.39 : x - Step 2: Convert to fraction form
19,695,523.99/27,184,358.07 = 11,549,386.39/x - Step 3: Cross multiply
19,695,523.99x = 27,184,358.07 × 11,549,386.39 - Step 4: Simplify right side
19,695,523.99x = 313,962,654,920,875.94 - Step 5: Solve for x
x = 313,962,654,920,875.94/19,695,523.99 - Step 6: Final answer
x = 15,940,812.50
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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.