Finding the Fourth Proportional to 47,689,696.41, 65,813,368.77 and 26,785,407.17
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Solution
The fourth proportional to 47,689,696.41, 65,813,368.77 and 26,785,407.17 is: 36,964,753.65
Step by Step Solution
- Step 1: Write the proportion equation
47,689,696.41 : 65,813,368.77 = 26,785,407.17 : x - Step 2: Convert to fraction form
47,689,696.41/65,813,368.77 = 26,785,407.17/x - Step 3: Cross multiply
47,689,696.41x = 65,813,368.77 × 26,785,407.17 - Step 4: Simplify right side
47,689,696.41x = 1,762,837,879,404,745.25 - Step 5: Solve for x
x = 1,762,837,879,404,745.25/47,689,696.41 - Step 6: Final answer
x = 36,964,753.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.