Finding the Fourth Proportional to 10,542,603.79, 15,816,341.76 and 4,477,533.99
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Solution
The fourth proportional to 10,542,603.79, 15,816,341.76 and 4,477,533.99 is: 6,717,335.60
Step by Step Solution
- Step 1: Write the proportion equation
10,542,603.79 : 15,816,341.76 = 4,477,533.99 : x - Step 2: Convert to fraction form
10,542,603.79/15,816,341.76 = 4,477,533.99/x - Step 3: Cross multiply
10,542,603.79x = 15,816,341.76 × 4,477,533.99 - Step 4: Simplify right side
10,542,603.79x = 70,818,207,748,774.72 - Step 5: Solve for x
x = 70,818,207,748,774.72/10,542,603.79 - Step 6: Final answer
x = 6,717,335.60
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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.