Finding the Fourth Proportional to 7,518,261.11, 11,258,314.94 and 6,300,635.90
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Solution
The fourth proportional to 7,518,261.11, 11,258,314.94 and 6,300,635.90 is: 9,434,966.70
Step by Step Solution
- Step 1: Write the proportion equation
7,518,261.11 : 11,258,314.94 = 6,300,635.90 : x - Step 2: Convert to fraction form
7,518,261.11/11,258,314.94 = 6,300,635.90/x - Step 3: Cross multiply
7,518,261.11x = 11,258,314.94 × 6,300,635.90 - Step 4: Simplify right side
7,518,261.11x = 70,934,543,196,675.59 - Step 5: Solve for x
x = 70,934,543,196,675.59/7,518,261.11 - Step 6: Final answer
x = 9,434,966.70
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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.