Finding the Fourth Proportional to 25,132,392.99, 34,685,510.70 and 15,214,740.15
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Solution
The fourth proportional to 25,132,392.99, 34,685,510.70 and 15,214,740.15 is: 20,998,041.56
Step by Step Solution
- Step 1: Write the proportion equation
25,132,392.99 : 34,685,510.70 = 15,214,740.15 : x - Step 2: Convert to fraction form
25,132,392.99/34,685,510.70 = 15,214,740.15/x - Step 3: Cross multiply
25,132,392.99x = 34,685,510.70 × 15,214,740.15 - Step 4: Simplify right side
25,132,392.99x = 527,731,032,400,615.31 - Step 5: Solve for x
x = 527,731,032,400,615.31/25,132,392.99 - Step 6: Final answer
x = 20,998,041.56
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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.