Finding the Fourth Proportional to 8,621,878.23, 11,898,479.19 and 4,701,848.81
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Solution
The fourth proportional to 8,621,878.23, 11,898,479.19 and 4,701,848.81 is: 6,488,707.99
Step by Step Solution
- Step 1: Write the proportion equation
8,621,878.23 : 11,898,479.19 = 4,701,848.81 : x - Step 2: Convert to fraction form
8,621,878.23/11,898,479.19 = 4,701,848.81/x - Step 3: Cross multiply
8,621,878.23x = 11,898,479.19 × 4,701,848.81 - Step 4: Simplify right side
8,621,878.23x = 55,944,850,160,818.86 - Step 5: Solve for x
x = 55,944,850,160,818.86/8,621,878.23 - Step 6: Final answer
x = 6,488,707.99
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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.