Finding the Fourth Proportional to 57,734,668.42, 86,614,927.76 and 19,395,136.87
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Solution
The fourth proportional to 57,734,668.42, 86,614,927.76 and 19,395,136.87 is: 29,097,047.32
Step by Step Solution
- Step 1: Write the proportion equation
57,734,668.42 : 86,614,927.76 = 19,395,136.87 : x - Step 2: Convert to fraction form
57,734,668.42/86,614,927.76 = 19,395,136.87/x - Step 3: Cross multiply
57,734,668.42x = 86,614,927.76 × 19,395,136.87 - Step 4: Simplify right side
57,734,668.42x = 1,679,908,378,722,313 - Step 5: Solve for x
x = 1,679,908,378,722,313/57,734,668.42 - Step 6: Final answer
x = 29,097,047.32
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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.