Finding the Fourth Proportional to 47,689,683.84, 65,813,351.61 and 26,785,394.70
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Solution
The fourth proportional to 47,689,683.84, 65,813,351.61 and 26,785,394.70 is: 36,964,736.55
Step by Step Solution
- Step 1: Write the proportion equation
47,689,683.84 : 65,813,351.61 = 26,785,394.70 : x - Step 2: Convert to fraction form
47,689,683.84/65,813,351.61 = 26,785,394.70/x - Step 3: Cross multiply
47,689,683.84x = 65,813,351.61 × 26,785,394.70 - Step 4: Simplify right side
47,689,683.84x = 1,762,836,599,403,730.50 - Step 5: Solve for x
x = 1,762,836,599,403,730.50/47,689,683.84 - Step 6: Final answer
x = 36,964,736.55
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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.