Finding the Fourth Proportional to 19,650,267.90, 29,485,899.45 and 8,869,232.70
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Solution
The fourth proportional to 19,650,267.90, 29,485,899.45 and 8,869,232.70 is: 13,308,587.19
Step by Step Solution
- Step 1: Write the proportion equation
19,650,267.90 : 29,485,899.45 = 8,869,232.70 : x - Step 2: Convert to fraction form
19,650,267.90/29,485,899.45 = 8,869,232.70/x - Step 3: Cross multiply
19,650,267.90x = 29,485,899.45 × 8,869,232.70 - Step 4: Simplify right side
19,650,267.90x = 261,517,303,590,852 - Step 5: Solve for x
x = 261,517,303,590,852/19,650,267.90 - Step 6: Final answer
x = 13,308,587.19
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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.