Finding the Fourth Proportional to 15,430,572.09, 23,146,819.20 and 4,071,031.65
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Solution
The fourth proportional to 15,430,572.09, 23,146,819.20 and 4,071,031.65 is: 6,106,801.03
Step by Step Solution
- Step 1: Write the proportion equation
15,430,572.09 : 23,146,819.20 = 4,071,031.65 : x - Step 2: Convert to fraction form
15,430,572.09/23,146,819.20 = 4,071,031.65/x - Step 3: Cross multiply
15,430,572.09x = 23,146,819.20 × 4,071,031.65 - Step 4: Simplify right side
15,430,572.09x = 94,231,433,560,027.67 - Step 5: Solve for x
x = 94,231,433,560,027.67/15,430,572.09 - Step 6: Final answer
x = 6,106,801.03
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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.