Finding the Fourth Proportional to 19,945,981.68, 29,908,338.84 and 10,351,700.16
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Solution
The fourth proportional to 19,945,981.68, 29,908,338.84 and 10,351,700.16 is: 15,522,031.50
Step by Step Solution
- Step 1: Write the proportion equation
19,945,981.68 : 29,908,338.84 = 10,351,700.16 : x - Step 2: Convert to fraction form
19,945,981.68/29,908,338.84 = 10,351,700.16/x - Step 3: Cross multiply
19,945,981.68x = 29,908,338.84 × 10,351,700.16 - Step 4: Simplify right side
19,945,981.68x = 309,602,155,955,362.19 - Step 5: Solve for x
x = 309,602,155,955,362.19/19,945,981.68 - Step 6: Final answer
x = 15,522,031.50
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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.