Finding the Fourth Proportional to 38,365,642.72, 57,547,633.18 and 10,698,821.99
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Solution
The fourth proportional to 38,365,642.72, 57,547,633.18 and 10,698,821.99 is: 16,048,001.28
Step by Step Solution
- Step 1: Write the proportion equation
38,365,642.72 : 57,547,633.18 = 10,698,821.99 : x - Step 2: Convert to fraction form
38,365,642.72/57,547,633.18 = 10,698,821.99/x - Step 3: Cross multiply
38,365,642.72x = 57,547,633.18 × 10,698,821.99 - Step 4: Simplify right side
38,365,642.72x = 615,691,883,487,720.38 - Step 5: Solve for x
x = 615,691,883,487,720.38/38,365,642.72 - Step 6: Final answer
x = 16,048,001.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.