Finding the Fourth Proportional to 39,953,913.99, 59,932,935.26 and 12,663,106.44
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Solution
The fourth proportional to 39,953,913.99, 59,932,935.26 and 12,663,106.44 is: 18,995,313.92
Step by Step Solution
- Step 1: Write the proportion equation
39,953,913.99 : 59,932,935.26 = 12,663,106.44 : x - Step 2: Convert to fraction form
39,953,913.99/59,932,935.26 = 12,663,106.44/x - Step 3: Cross multiply
39,953,913.99x = 59,932,935.26 × 12,663,106.44 - Step 4: Simplify right side
39,953,913.99x = 758,937,138,459,009 - Step 5: Solve for x
x = 758,937,138,459,009/39,953,913.99 - Step 6: Final answer
x = 18,995,313.92
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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.