Finding the Fourth Proportional to 11,334,258.88, 15,641,289.12 and 6,177,624.64
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Solution
The fourth proportional to 11,334,258.88, 15,641,289.12 and 6,177,624.64 is: 8,525,128.47
Step by Step Solution
- Step 1: Write the proportion equation
11,334,258.88 : 15,641,289.12 = 6,177,624.64 : x - Step 2: Convert to fraction form
11,334,258.88/15,641,289.12 = 6,177,624.64/x - Step 3: Cross multiply
11,334,258.88x = 15,641,289.12 × 6,177,624.64 - Step 4: Simplify right side
11,334,258.88x = 96,626,013,069,075.91 - Step 5: Solve for x
x = 96,626,013,069,075.91/11,334,258.88 - Step 6: Final answer
x = 8,525,128.47
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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.