Finding the Fourth Proportional to 10,508,762.79, 15,763,810.14 and 4,442,363.91
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Solution
The fourth proportional to 10,508,762.79, 15,763,810.14 and 4,442,363.91 is: 6,663,827.38
Step by Step Solution
- Step 1: Write the proportion equation
10,508,762.79 : 15,763,810.14 = 4,442,363.91 : x - Step 2: Convert to fraction form
10,508,762.79/15,763,810.14 = 4,442,363.91/x - Step 3: Cross multiply
10,508,762.79x = 15,763,810.14 × 4,442,363.91 - Step 4: Simplify right side
10,508,762.79x = 70,028,581,250,028.05 - Step 5: Solve for x
x = 70,028,581,250,028.05/10,508,762.79 - Step 6: Final answer
x = 6,663,827.38
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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.