Finding the Fourth Proportional to 7,485,327.96, 11,223,693.98 and 2,931,044.52
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Solution
The fourth proportional to 7,485,327.96, 11,223,693.98 and 2,931,044.52 is: 4,394,883.82
Step by Step Solution
- Step 1: Write the proportion equation
7,485,327.96 : 11,223,693.98 = 2,931,044.52 : x - Step 2: Convert to fraction form
7,485,327.96/11,223,693.98 = 2,931,044.52/x - Step 3: Cross multiply
7,485,327.96x = 11,223,693.98 × 2,931,044.52 - Step 4: Simplify right side
7,485,327.96x = 32,897,146,734,235.99 - Step 5: Solve for x
x = 32,897,146,734,235.99/7,485,327.96 - Step 6: Final answer
x = 4,394,883.82
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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.