Finding the Fourth Proportional to 34,319,528.72, 47,349,425.96 and 19,432,817.92
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Solution
The fourth proportional to 34,319,528.72, 47,349,425.96 and 19,432,817.92 is: 26,810,763.65
Step by Step Solution
- Step 1: Write the proportion equation
34,319,528.72 : 47,349,425.96 = 19,432,817.92 : x - Step 2: Convert to fraction form
34,319,528.72/47,349,425.96 = 19,432,817.92/x - Step 3: Cross multiply
34,319,528.72x = 47,349,425.96 × 19,432,817.92 - Step 4: Simplify right side
34,319,528.72x = 920,132,773,175,065.88 - Step 5: Solve for x
x = 920,132,773,175,065.88/34,319,528.72 - Step 6: Final answer
x = 26,810,763.65
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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.