Finding the Fourth Proportional to 9,880,463.34, 13,634,745.93 and 5,470,385.13
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Solution
The fourth proportional to 9,880,463.34, 13,634,745.93 and 5,470,385.13 is: 7,548,968.99
Step by Step Solution
- Step 1: Write the proportion equation
9,880,463.34 : 13,634,745.93 = 5,470,385.13 : x - Step 2: Convert to fraction form
9,880,463.34/13,634,745.93 = 5,470,385.13/x - Step 3: Cross multiply
9,880,463.34x = 13,634,745.93 × 5,470,385.13 - Step 4: Simplify right side
9,880,463.34x = 74,587,311,386,800.02 - Step 5: Solve for x
x = 74,587,311,386,800.02/9,880,463.34 - Step 6: Final answer
x = 7,548,968.99
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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.