Finding the Fourth Proportional to 19,761,205.70, 29,641,808.55 and 16,401,973.70
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Solution
The fourth proportional to 19,761,205.70, 29,641,808.55 and 16,401,973.70 is: 24,602,960.55
Step by Step Solution
- Step 1: Write the proportion equation
19,761,205.70 : 29,641,808.55 = 16,401,973.70 : x - Step 2: Convert to fraction form
19,761,205.70/29,641,808.55 = 16,401,973.70/x - Step 3: Cross multiply
19,761,205.70x = 29,641,808.55 × 16,401,973.70 - Step 4: Simplify right side
19,761,205.70x = 486,184,164,257,535.12 - Step 5: Solve for x
x = 486,184,164,257,535.12/19,761,205.70 - Step 6: Final answer
x = 24,602,960.55
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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.