Finding the Fourth Proportional to 11,565,539.57, 15,960,539.70 and 6,408,987.23
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Solution
The fourth proportional to 11,565,539.57, 15,960,539.70 and 6,408,987.23 is: 8,844,455.07
Step by Step Solution
- Step 1: Write the proportion equation
11,565,539.57 : 15,960,539.70 = 6,408,987.23 : x - Step 2: Convert to fraction form
11,565,539.57/15,960,539.70 = 6,408,987.23/x - Step 3: Cross multiply
11,565,539.57x = 15,960,539.70 × 6,408,987.23 - Step 4: Simplify right side
11,565,539.57x = 102,290,895,121,208.03 - Step 5: Solve for x
x = 102,290,895,121,208.03/11,565,539.57 - Step 6: Final answer
x = 8,844,455.07
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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.