Finding the Fourth Proportional to 30,750,954.42, 42,437,202.84 and 17,000,804.28
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Solution
The fourth proportional to 30,750,954.42, 42,437,202.84 and 17,000,804.28 is: 23,461,599.59
Step by Step Solution
- Step 1: Write the proportion equation
30,750,954.42 : 42,437,202.84 = 17,000,804.28 : x - Step 2: Convert to fraction form
30,750,954.42/42,437,202.84 = 17,000,804.28/x - Step 3: Cross multiply
30,750,954.42x = 42,437,202.84 × 17,000,804.28 - Step 4: Simplify right side
30,750,954.42x = 721,466,579,673,500.25 - Step 5: Solve for x
x = 721,466,579,673,500.25/30,750,954.42 - Step 6: Final answer
x = 23,461,599.59
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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.