Finding the Fourth Proportional to 30,974,794.58, 42,750,566.84 and 17,929,246.43
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Solution
The fourth proportional to 30,974,794.58, 42,750,566.84 and 17,929,246.43 is: 24,745,457.02
Step by Step Solution
- Step 1: Write the proportion equation
30,974,794.58 : 42,750,566.84 = 17,929,246.43 : x - Step 2: Convert to fraction form
30,974,794.58/42,750,566.84 = 17,929,246.43/x - Step 3: Cross multiply
30,974,794.58x = 42,750,566.84 × 17,929,246.43 - Step 4: Simplify right side
30,974,794.58x = 766,485,447,896,546.38 - Step 5: Solve for x
x = 766,485,447,896,546.38/30,974,794.58 - Step 6: Final answer
x = 24,745,457.02
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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.