Finding the Fourth Proportional to 7,532,946.80, 11,299,420.20 and 2,746,041.20
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Solution
The fourth proportional to 7,532,946.80, 11,299,420.20 and 2,746,041.20 is: 4,119,061.80
Step by Step Solution
- Step 1: Write the proportion equation
7,532,946.80 : 11,299,420.20 = 2,746,041.20 : x - Step 2: Convert to fraction form
7,532,946.80/11,299,420.20 = 2,746,041.20/x - Step 3: Cross multiply
7,532,946.80x = 11,299,420.20 × 2,746,041.20 - Step 4: Simplify right side
7,532,946.80x = 31,028,673,405,312.24 - Step 5: Solve for x
x = 31,028,673,405,312.24/7,532,946.80 - Step 6: Final answer
x = 4,119,061.80
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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.