Finding the Fourth Proportional to 26,641,295.80, 39,961,943.70 and 6,446,537.80
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Solution
The fourth proportional to 26,641,295.80, 39,961,943.70 and 6,446,537.80 is: 9,669,806.70
Step by Step Solution
- Step 1: Write the proportion equation
26,641,295.80 : 39,961,943.70 = 6,446,537.80 : x - Step 2: Convert to fraction form
26,641,295.80/39,961,943.70 = 6,446,537.80/x - Step 3: Cross multiply
26,641,295.80x = 39,961,943.70 × 6,446,537.80 - Step 4: Simplify right side
26,641,295.80x = 257,616,180,623,521.88 - Step 5: Solve for x
x = 257,616,180,623,521.88/26,641,295.80 - Step 6: Final answer
x = 9,669,806.70
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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.