Finding the Fourth Proportional to 36,691,981.30, 55,037,971.95 and 15,115,476.70
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Solution
The fourth proportional to 36,691,981.30, 55,037,971.95 and 15,115,476.70 is: 22,673,215.05
Step by Step Solution
- Step 1: Write the proportion equation
36,691,981.30 : 55,037,971.95 = 15,115,476.70 : x - Step 2: Convert to fraction form
36,691,981.30/55,037,971.95 = 15,115,476.70/x - Step 3: Cross multiply
36,691,981.30x = 55,037,971.95 × 15,115,476.70 - Step 4: Simplify right side
36,691,981.30x = 831,925,182,625,478.62 - Step 5: Solve for x
x = 831,925,182,625,478.62/36,691,981.30 - Step 6: Final answer
x = 22,673,215.05
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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.