Finding the Fourth Proportional to 7,244,811.30, 10,867,216.95 and 3,885,579.30
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Solution
The fourth proportional to 7,244,811.30, 10,867,216.95 and 3,885,579.30 is: 5,828,368.95
Step by Step Solution
- Step 1: Write the proportion equation
7,244,811.30 : 10,867,216.95 = 3,885,579.30 : x - Step 2: Convert to fraction form
7,244,811.30/10,867,216.95 = 3,885,579.30/x - Step 3: Cross multiply
7,244,811.30x = 10,867,216.95 × 3,885,579.30 - Step 4: Simplify right side
7,244,811.30x = 42,225,433,229,529.13 - Step 5: Solve for x
x = 42,225,433,229,529.13/7,244,811.30 - Step 6: Final answer
x = 5,828,368.95
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1.5x scale
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.