Finding the Fourth Proportional to 34,209,418.10, 47,209,005.43 and 18,740,052.68
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Solution
The fourth proportional to 34,209,418.10, 47,209,005.43 and 18,740,052.68 is: 25,861,277.32
Step by Step Solution
- Step 1: Write the proportion equation
34,209,418.10 : 47,209,005.43 = 18,740,052.68 : x - Step 2: Convert to fraction form
34,209,418.10/47,209,005.43 = 18,740,052.68/x - Step 3: Cross multiply
34,209,418.10x = 47,209,005.43 × 18,740,052.68 - Step 4: Simplify right side
34,209,418.10x = 884,699,248,445,711 - Step 5: Solve for x
x = 884,699,248,445,711/34,209,418.10 - Step 6: Final answer
x = 25,861,277.32
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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.