Finding the Fourth Proportional to 9,090,746.84, 12,545,495.60 and 4,961,043.99
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Solution
The fourth proportional to 9,090,746.84, 12,545,495.60 and 4,961,043.99 is: 6,846,385.30
Step by Step Solution
- Step 1: Write the proportion equation
9,090,746.84 : 12,545,495.60 = 4,961,043.99 : x - Step 2: Convert to fraction form
9,090,746.84/12,545,495.60 = 4,961,043.99/x - Step 3: Cross multiply
9,090,746.84x = 12,545,495.60 × 4,961,043.99 - Step 4: Simplify right side
9,090,746.84x = 62,238,755,523,146.23 - Step 5: Solve for x
x = 62,238,755,523,146.23/9,090,746.84 - Step 6: Final answer
x = 6,846,385.30
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1.5x scale
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.