Finding the Fourth Proportional to 29,772,030.30, 44,658,045.45 and 28,512,318.30
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Solution
The fourth proportional to 29,772,030.30, 44,658,045.45 and 28,512,318.30 is: 42,768,477.45
Step by Step Solution
- Step 1: Write the proportion equation
29,772,030.30 : 44,658,045.45 = 28,512,318.30 : x - Step 2: Convert to fraction form
29,772,030.30/44,658,045.45 = 28,512,318.30/x - Step 3: Cross multiply
29,772,030.30x = 44,658,045.45 × 28,512,318.30 - Step 4: Simplify right side
29,772,030.30x = 1,273,304,406,526,266.75 - Step 5: Solve for x
x = 1,273,304,406,526,266.75/29,772,030.30 - Step 6: Final answer
x = 42,768,477.45
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Similar ratio
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1.5x scale
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.