Finding the Fourth Proportional to 8,954,216.88, 12,358,813.71 and 5,690,395.18
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Solution
The fourth proportional to 8,954,216.88, 12,358,813.71 and 5,690,395.18 is: 7,854,012.80
Step by Step Solution
- Step 1: Write the proportion equation
8,954,216.88 : 12,358,813.71 = 5,690,395.18 : x - Step 2: Convert to fraction form
8,954,216.88/12,358,813.71 = 5,690,395.18/x - Step 3: Cross multiply
8,954,216.88x = 12,358,813.71 × 5,690,395.18 - Step 4: Simplify right side
8,954,216.88x = 70,326,533,965,901.92 - Step 5: Solve for x
x = 70,326,533,965,901.92/8,954,216.88 - Step 6: Final answer
x = 7,854,012.80
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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.