Finding the Fourth Proportional to 28,566,235.42, 42,850,972.52 and 9,137,167.99
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Solution
The fourth proportional to 28,566,235.42, 42,850,972.52 and 9,137,167.99 is: 13,706,269.96
Step by Step Solution
- Step 1: Write the proportion equation
28,566,235.42 : 42,850,972.52 = 9,137,167.99 : x - Step 2: Convert to fraction form
28,566,235.42/42,850,972.52 = 9,137,167.99/x - Step 3: Cross multiply
28,566,235.42x = 42,850,972.52 × 9,137,167.99 - Step 4: Simplify right side
28,566,235.42x = 391,536,534,385,128.44 - Step 5: Solve for x
x = 391,536,534,385,128.44/28,566,235.42 - Step 6: Final answer
x = 13,706,269.96
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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.