Finding the Fourth Proportional to 19,811,353.20, 29,717,029.80 and 17,473,012.80
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Solution
The fourth proportional to 19,811,353.20, 29,717,029.80 and 17,473,012.80 is: 26,209,519.20
Step by Step Solution
- Step 1: Write the proportion equation
19,811,353.20 : 29,717,029.80 = 17,473,012.80 : x - Step 2: Convert to fraction form
19,811,353.20/29,717,029.80 = 17,473,012.80/x - Step 3: Cross multiply
19,811,353.20x = 29,717,029.80 × 17,473,012.80 - Step 4: Simplify right side
19,811,353.20x = 519,246,042,073,381.50 - Step 5: Solve for x
x = 519,246,042,073,381.50/19,811,353.20 - Step 6: Final answer
x = 26,209,519.20
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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.