Finding the Fourth Proportional to 28,641,051.34, 39,523,482.47 and 16,250,878.09
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Solution
The fourth proportional to 28,641,051.34, 39,523,482.47 and 16,250,878.09 is: 22,425,548.83
Step by Step Solution
- Step 1: Write the proportion equation
28,641,051.34 : 39,523,482.47 = 16,250,878.09 : x - Step 2: Convert to fraction form
28,641,051.34/39,523,482.47 = 16,250,878.09/x - Step 3: Cross multiply
28,641,051.34x = 39,523,482.47 × 16,250,878.09 - Step 4: Simplify right side
28,641,051.34x = 642,291,295,230,967.75 - Step 5: Solve for x
x = 642,291,295,230,967.75/28,641,051.34 - Step 6: Final answer
x = 22,425,548.83
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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.