Finding the Fourth Proportional to 28,542,491.04, 39,388,926 and 15,489,862.68
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Solution
The fourth proportional to 28,542,491.04, 39,388,926 and 15,489,862.68 is: 21,376,166.99
Step by Step Solution
- Step 1: Write the proportion equation
28,542,491.04 : 39,388,926 = 15,489,862.68 : x - Step 2: Convert to fraction form
28,542,491.04/39,388,926 = 15,489,862.68/x - Step 3: Cross multiply
28,542,491.04x = 39,388,926 × 15,489,862.68 - Step 4: Simplify right side
28,542,491.04x = 610,129,054,852,681.62 - Step 5: Solve for x
x = 610,129,054,852,681.62/28,542,491.04 - Step 6: Final answer
x = 21,376,166.99
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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.