Finding the Fourth Proportional to 10,478,217.84, 15,717,330.24 and 4,714,219.68
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Solution
The fourth proportional to 10,478,217.84, 15,717,330.24 and 4,714,219.68 is: 7,071,331.09
Step by Step Solution
- Step 1: Write the proportion equation
10,478,217.84 : 15,717,330.24 = 4,714,219.68 : x - Step 2: Convert to fraction form
10,478,217.84/15,717,330.24 = 4,714,219.68/x - Step 3: Cross multiply
10,478,217.84x = 15,717,330.24 × 4,714,219.68 - Step 4: Simplify right side
10,478,217.84x = 74,094,947,534,467.12 - Step 5: Solve for x
x = 74,094,947,534,467.12/10,478,217.84 - Step 6: Final answer
x = 7,071,331.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.