Finding the Fourth Proportional to 31,790,143.08, 47,692,325.58 and 11,595,385.08
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Solution
The fourth proportional to 31,790,143.08, 47,692,325.58 and 11,595,385.08 is: 17,395,671.33
Step by Step Solution
- Step 1: Write the proportion equation
31,790,143.08 : 47,692,325.58 = 11,595,385.08 : x - Step 2: Convert to fraction form
31,790,143.08/47,692,325.58 = 11,595,385.08/x - Step 3: Cross multiply
31,790,143.08x = 47,692,325.58 × 11,595,385.08 - Step 4: Simplify right side
31,790,143.08x = 553,010,880,460,834.31 - Step 5: Solve for x
x = 553,010,880,460,834.31/31,790,143.08 - Step 6: Final answer
x = 17,395,671.33
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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.