Finding the Fourth Proportional to 19,957,730.20, 29,948,405.10 and 13,153,973.20
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Solution
The fourth proportional to 19,957,730.20, 29,948,405.10 and 13,153,973.20 is: 19,738,743.54
Step by Step Solution
- Step 1: Write the proportion equation
19,957,730.20 : 29,948,405.10 = 13,153,973.20 : x - Step 2: Convert to fraction form
19,957,730.20/29,948,405.10 = 13,153,973.20/x - Step 3: Cross multiply
19,957,730.20x = 29,948,405.10 × 13,153,973.20 - Step 4: Simplify right side
19,957,730.20x = 393,940,518,068,143.31 - Step 5: Solve for x
x = 393,940,518,068,143.31/19,957,730.20 - Step 6: Final answer
x = 19,738,743.54
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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.