Finding the Fourth Proportional to 8,681,445.99, 11,980,615.44 and 4,761,358.18
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Solution
The fourth proportional to 8,681,445.99, 11,980,615.44 and 4,761,358.18 is: 6,570,794.93
Step by Step Solution
- Step 1: Write the proportion equation
8,681,445.99 : 11,980,615.44 = 4,761,358.18 : x - Step 2: Convert to fraction form
8,681,445.99/11,980,615.44 = 4,761,358.18/x - Step 3: Cross multiply
8,681,445.99x = 11,980,615.44 × 4,761,358.18 - Step 4: Simplify right side
8,681,445.99x = 57,044,001,326,678.30 - Step 5: Solve for x
x = 57,044,001,326,678.30/8,681,445.99 - Step 6: Final answer
x = 6,570,794.93
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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.