Finding the Fourth Proportional to 10,486,953.76, 14,478,956.40 and 6,572,593.12
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Solution
The fourth proportional to 10,486,953.76, 14,478,956.40 and 6,572,593.12 is: 9,074,540.75
Step by Step Solution
- Step 1: Write the proportion equation
10,486,953.76 : 14,478,956.40 = 6,572,593.12 : x - Step 2: Convert to fraction form
10,486,953.76/14,478,956.40 = 6,572,593.12/x - Step 3: Cross multiply
10,486,953.76x = 14,478,956.40 × 6,572,593.12 - Step 4: Simplify right side
10,486,953.76x = 95,164,289,219,419.97 - Step 5: Solve for x
x = 95,164,289,219,419.97/10,486,953.76 - Step 6: Final answer
x = 9,074,540.75
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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.