Finding the Fourth Proportional to 18,424,866.06, 25,426,172.88 and 10,165,276.44
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Solution
The fourth proportional to 18,424,866.06, 25,426,172.88 and 10,165,276.44 is: 14,028,002.99
Step by Step Solution
- Step 1: Write the proportion equation
18,424,866.06 : 25,426,172.88 = 10,165,276.44 : x - Step 2: Convert to fraction form
18,424,866.06/25,426,172.88 = 10,165,276.44/x - Step 3: Cross multiply
18,424,866.06x = 25,426,172.88 × 10,165,276.44 - Step 4: Simplify right side
18,424,866.06x = 258,464,076,136,430.94 - Step 5: Solve for x
x = 258,464,076,136,430.94/18,424,866.06 - Step 6: Final answer
x = 14,028,002.99
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1.5x scale
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.