Finding the Fourth Proportional to 19,417,035.40, 29,136,050.70 and 8,636,000.20
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Solution
The fourth proportional to 19,417,035.40, 29,136,050.70 and 8,636,000.20 is: 12,958,669.26
Step by Step Solution
- Step 1: Write the proportion equation
19,417,035.40 : 29,136,050.70 = 8,636,000.20 : x - Step 2: Convert to fraction form
19,417,035.40/29,136,050.70 = 8,636,000.20/x - Step 3: Cross multiply
19,417,035.40x = 29,136,050.70 × 8,636,000.20 - Step 4: Simplify right side
19,417,035.40x = 251,618,939,672,410.12 - Step 5: Solve for x
x = 251,618,939,672,410.12/19,417,035.40 - Step 6: Final answer
x = 12,958,669.26
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1.5x scale
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.