Finding the Fourth Proportional to 19,088,856.38, 26,342,400.33 and 10,386,879.09
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Solution
The fourth proportional to 19,088,856.38, 26,342,400.33 and 10,386,879.09 is: 14,333,772.63
Step by Step Solution
- Step 1: Write the proportion equation
19,088,856.38 : 26,342,400.33 = 10,386,879.09 : x - Step 2: Convert to fraction form
19,088,856.38/26,342,400.33 = 10,386,879.09/x - Step 3: Cross multiply
19,088,856.38x = 26,342,400.33 × 10,386,879.09 - Step 4: Simplify right side
19,088,856.38x = 273,615,327,168,086.06 - Step 5: Solve for x
x = 273,615,327,168,086.06/19,088,856.38 - Step 6: Final answer
x = 14,333,772.63
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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.