Finding the Fourth Proportional to 19,500,801.70, 29,251,202.55 and 9,934,863.70
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Solution
The fourth proportional to 19,500,801.70, 29,251,202.55 and 9,934,863.70 is: 14,902,295.55
Step by Step Solution
- Step 1: Write the proportion equation
19,500,801.70 : 29,251,202.55 = 9,934,863.70 : x - Step 2: Convert to fraction form
19,500,801.70/29,251,202.55 = 9,934,863.70/x - Step 3: Cross multiply
19,500,801.70x = 29,251,202.55 × 9,934,863.70 - Step 4: Simplify right side
19,500,801.70x = 290,606,710,395,342.44 - Step 5: Solve for x
x = 290,606,710,395,342.44/19,500,801.70 - Step 6: Final answer
x = 14,902,295.55
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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.