Finding the Fourth Proportional to 15,758,206.97, 21,754,545.23 and 11,185,452.41
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Solution
The fourth proportional to 15,758,206.97, 21,754,545.23 and 11,185,452.41 is: 15,441,758.75
Step by Step Solution
- Step 1: Write the proportion equation
15,758,206.97 : 21,754,545.23 = 11,185,452.41 : x - Step 2: Convert to fraction form
15,758,206.97/21,754,545.23 = 11,185,452.41/x - Step 3: Cross multiply
15,758,206.97x = 21,754,545.23 × 11,185,452.41 - Step 4: Simplify right side
15,758,206.97x = 243,334,430,290,548.41 - Step 5: Solve for x
x = 243,334,430,290,548.41/15,758,206.97 - Step 6: Final answer
x = 15,441,758.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.