Finding the Fourth Proportional to 8,301,148.80, 12,444,811.20 and 3,512,515.20
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Solution
The fourth proportional to 8,301,148.80, 12,444,811.20 and 3,512,515.20 is: 5,265,848.08
Step by Step Solution
- Step 1: Write the proportion equation
8,301,148.80 : 12,444,811.20 = 3,512,515.20 : x - Step 2: Convert to fraction form
8,301,148.80/12,444,811.20 = 3,512,515.20/x - Step 3: Cross multiply
8,301,148.80x = 12,444,811.20 × 3,512,515.20 - Step 4: Simplify right side
8,301,148.80x = 43,712,588,501,130.24 - Step 5: Solve for x
x = 43,712,588,501,130.24/8,301,148.80 - Step 6: Final answer
x = 5,265,848.08
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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.