Finding the Fourth Proportional to 30,547,538.88, 45,821,289.12 and 8,982,317.76
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Solution
The fourth proportional to 30,547,538.88, 45,821,289.12 and 8,982,317.76 is: 13,473,470.99
Step by Step Solution
- Step 1: Write the proportion equation
30,547,538.88 : 45,821,289.12 = 8,982,317.76 : x - Step 2: Convert to fraction form
30,547,538.88/45,821,289.12 = 8,982,317.76/x - Step 3: Cross multiply
30,547,538.88x = 45,821,289.12 × 8,982,317.76 - Step 4: Simplify right side
30,547,538.88x = 411,581,379,048,670.75 - Step 5: Solve for x
x = 411,581,379,048,670.75/30,547,538.88 - Step 6: Final answer
x = 13,473,470.99
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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.