Finding the Fourth Proportional to 10,290,747.20, 14,189,600.96 and 6,564,607.68
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Solution
The fourth proportional to 10,290,747.20, 14,189,600.96 and 6,564,607.68 is: 9,051,739.55
Step by Step Solution
- Step 1: Write the proportion equation
10,290,747.20 : 14,189,600.96 = 6,564,607.68 : x - Step 2: Convert to fraction form
10,290,747.20/14,189,600.96 = 6,564,607.68/x - Step 3: Cross multiply
10,290,747.20x = 14,189,600.96 × 6,564,607.68 - Step 4: Simplify right side
10,290,747.20x = 93,149,163,438,151.38 - Step 5: Solve for x
x = 93,149,163,438,151.38/10,290,747.20 - Step 6: Final answer
x = 9,051,739.55
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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.