Finding the Fourth Proportional to 19,315,599.60, 28,977,287.40 and 5,668,719.60
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Solution
The fourth proportional to 19,315,599.60, 28,977,287.40 and 5,668,719.60 is: 8,504,220.45
Step by Step Solution
- Step 1: Write the proportion equation
19,315,599.60 : 28,977,287.40 = 5,668,719.60 : x - Step 2: Convert to fraction form
19,315,599.60/28,977,287.40 = 5,668,719.60/x - Step 3: Cross multiply
19,315,599.60x = 28,977,287.40 × 5,668,719.60 - Step 4: Simplify right side
19,315,599.60x = 164,264,117,039,213.03 - Step 5: Solve for x
x = 164,264,117,039,213.03/19,315,599.60 - Step 6: Final answer
x = 8,504,220.45
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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.