Finding the Fourth Proportional to 35,238,387.61, 48,629,306.58 and 19,768,804.41
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Solution
The fourth proportional to 35,238,387.61, 48,629,306.58 and 19,768,804.41 is: 27,281,136.16
Step by Step Solution
- Step 1: Write the proportion equation
35,238,387.61 : 48,629,306.58 = 19,768,804.41 : x - Step 2: Convert to fraction form
35,238,387.61/48,629,306.58 = 19,768,804.41/x - Step 3: Cross multiply
35,238,387.61x = 48,629,306.58 × 19,768,804.41 - Step 4: Simplify right side
35,238,387.61x = 961,343,250,373,946 - Step 5: Solve for x
x = 961,343,250,373,946/35,238,387.61 - Step 6: Final answer
x = 27,281,136.16
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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.