Finding the Fourth Proportional to 38,837,266.20, 58,293,224.10 and 19,689,643.80
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Solution
The fourth proportional to 38,837,266.20, 58,293,224.10 and 19,689,643.80 is: 29,553,388.56
Step by Step Solution
- Step 1: Write the proportion equation
38,837,266.20 : 58,293,224.10 = 19,689,643.80 : x - Step 2: Convert to fraction form
38,837,266.20/58,293,224.10 = 19,689,643.80/x - Step 3: Cross multiply
38,837,266.20x = 58,293,224.10 × 19,689,643.80 - Step 4: Simplify right side
38,837,266.20x = 1,147,772,818,482,575.75 - Step 5: Solve for x
x = 1,147,772,818,482,575.75/38,837,266.20 - Step 6: Final answer
x = 29,553,388.56
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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.