Finding the Fourth Proportional to 28,943,985.60, 43,387,408.80 and 16,170,609.60
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Solution
The fourth proportional to 28,943,985.60, 43,387,408.80 and 16,170,609.60 is: 24,239,952.95
Step by Step Solution
- Step 1: Write the proportion equation
28,943,985.60 : 43,387,408.80 = 16,170,609.60 : x - Step 2: Convert to fraction form
28,943,985.60/43,387,408.80 = 16,170,609.60/x - Step 3: Cross multiply
28,943,985.60x = 43,387,408.80 × 16,170,609.60 - Step 4: Simplify right side
28,943,985.60x = 701,600,849,260,404.38 - Step 5: Solve for x
x = 701,600,849,260,404.38/28,943,985.60 - Step 6: Final answer
x = 24,239,952.95
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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.