Finding the Fourth Proportional to 35,437,830.20, 53,215,727.70 and 19,492,921.40
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Solution
The fourth proportional to 35,437,830.20, 53,215,727.70 and 19,492,921.40 is: 29,271,825.94
Step by Step Solution
- Step 1: Write the proportion equation
35,437,830.20 : 53,215,727.70 = 19,492,921.40 : x - Step 2: Convert to fraction form
35,437,830.20/53,215,727.70 = 19,492,921.40/x - Step 3: Cross multiply
35,437,830.20x = 53,215,727.70 × 19,492,921.40 - Step 4: Simplify right side
35,437,830.20x = 1,037,329,997,299,902.75 - Step 5: Solve for x
x = 1,037,329,997,299,902.75/35,437,830.20 - Step 6: Final answer
x = 29,271,825.94
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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.