Finding the Fourth Proportional to 11,565,537.95, 15,960,537.45 and 6,408,985.61
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Solution
The fourth proportional to 11,565,537.95, 15,960,537.45 and 6,408,985.61 is: 8,844,452.83
Step by Step Solution
- Step 1: Write the proportion equation
11,565,537.95 : 15,960,537.45 = 6,408,985.61 : x - Step 2: Convert to fraction form
11,565,537.95/15,960,537.45 = 6,408,985.61/x - Step 3: Cross multiply
11,565,537.95x = 15,960,537.45 × 6,408,985.61 - Step 4: Simplify right side
11,565,537.95x = 102,290,854,765,113.41 - Step 5: Solve for x
x = 102,290,854,765,113.41/11,565,537.95 - Step 6: Final answer
x = 8,844,452.83
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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.