Finding the Fourth Proportional to 19,636,543.50, 29,434,604.99 and 8,711,878.02
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Solution
The fourth proportional to 19,636,543.50, 29,434,604.99 and 8,711,878.02 is: 13,058,850.62
Step by Step Solution
- Step 1: Write the proportion equation
19,636,543.50 : 29,434,604.99 = 8,711,878.02 : x - Step 2: Convert to fraction form
19,636,543.50/29,434,604.99 = 8,711,878.02/x - Step 3: Cross multiply
19,636,543.50x = 29,434,604.99 × 8,711,878.02 - Step 4: Simplify right side
19,636,543.50x = 256,430,688,196,203.91 - Step 5: Solve for x
x = 256,430,688,196,203.91/19,636,543.50 - Step 6: Final answer
x = 13,058,850.62
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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.