Finding the Fourth Proportional to 28,075,354.54, 38,737,349.40 and 16,307,630.68
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Solution
The fourth proportional to 28,075,354.54, 38,737,349.40 and 16,307,630.68 is: 22,500,673.56
Step by Step Solution
- Step 1: Write the proportion equation
28,075,354.54 : 38,737,349.40 = 16,307,630.68 : x - Step 2: Convert to fraction form
28,075,354.54/38,737,349.40 = 16,307,630.68/x - Step 3: Cross multiply
28,075,354.54x = 38,737,349.40 × 16,307,630.68 - Step 4: Simplify right side
28,075,354.54x = 631,714,387,537,319.50 - Step 5: Solve for x
x = 631,714,387,537,319.50/28,075,354.54 - Step 6: Final answer
x = 22,500,673.56
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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.