Finding the Fourth Proportional to 7,759,465.47, 11,639,196.99 and 2,368,143.54
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Solution
The fourth proportional to 7,759,465.47, 11,639,196.99 and 2,368,143.54 is: 3,552,214.94
Step by Step Solution
- Step 1: Write the proportion equation
7,759,465.47 : 11,639,196.99 = 2,368,143.54 : x - Step 2: Convert to fraction form
7,759,465.47/11,639,196.99 = 2,368,143.54/x - Step 3: Cross multiply
7,759,465.47x = 11,639,196.99 × 2,368,143.54 - Step 4: Simplify right side
7,759,465.47x = 27,563,289,162,655.95 - Step 5: Solve for x
x = 27,563,289,162,655.95/7,759,465.47 - Step 6: Final answer
x = 3,552,214.94
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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.