Finding the Fourth Proportional to 13,135,743.48, 19,705,495.69 and 4,038,604.93
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Solution
The fourth proportional to 13,135,743.48, 19,705,495.69 and 4,038,604.93 is: 6,058,485.54
Step by Step Solution
- Step 1: Write the proportion equation
13,135,743.48 : 19,705,495.69 = 4,038,604.93 : x - Step 2: Convert to fraction form
13,135,743.48/19,705,495.69 = 4,038,604.93/x - Step 3: Cross multiply
13,135,743.48x = 19,705,495.69 × 4,038,604.93 - Step 4: Simplify right side
13,135,743.48x = 79,582,711,943,200.28 - Step 5: Solve for x
x = 79,582,711,943,200.28/13,135,743.48 - Step 6: Final answer
x = 6,058,485.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.