Finding the Fourth Proportional to 27,934,403.58, 38,549,105.69 and 15,711,260.58
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Solution
The fourth proportional to 27,934,403.58, 38,549,105.69 and 15,711,260.58 is: 21,681,330.79
Step by Step Solution
- Step 1: Write the proportion equation
27,934,403.58 : 38,549,105.69 = 15,711,260.58 : x - Step 2: Convert to fraction form
27,934,403.58/38,549,105.69 = 15,711,260.58/x - Step 3: Cross multiply
27,934,403.58x = 38,549,105.69 × 15,711,260.58 - Step 4: Simplify right side
27,934,403.58x = 605,655,044,542,994.50 - Step 5: Solve for x
x = 605,655,044,542,994.50/27,934,403.58 - Step 6: Final answer
x = 21,681,330.79
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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.