Finding the Fourth Proportional to 11,565,551.88, 15,960,555.36 and 6,408,999.54
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Solution
The fourth proportional to 11,565,551.88, 15,960,555.36 and 6,408,999.54 is: 8,844,471.32
Step by Step Solution
- Step 1: Write the proportion equation
11,565,551.88 : 15,960,555.36 = 6,408,999.54 : x - Step 2: Convert to fraction form
11,565,551.88/15,960,555.36 = 6,408,999.54/x - Step 3: Cross multiply
11,565,551.88x = 15,960,555.36 × 6,408,999.54 - Step 4: Simplify right side
11,565,551.88x = 102,291,191,960,384.53 - Step 5: Solve for x
x = 102,291,191,960,384.53/11,565,551.88 - Step 6: Final answer
x = 8,844,471.32
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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.