Finding the Fourth Proportional to 34,133,055.14, 47,092,452.91 and 20,888,424.99
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Solution
The fourth proportional to 34,133,055.14, 47,092,452.91 and 20,888,424.99 is: 28,819,194.94
Step by Step Solution
- Step 1: Write the proportion equation
34,133,055.14 : 47,092,452.91 = 20,888,424.99 : x - Step 2: Convert to fraction form
34,133,055.14/47,092,452.91 = 20,888,424.99/x - Step 3: Cross multiply
34,133,055.14x = 47,092,452.91 × 20,888,424.99 - Step 4: Simplify right side
34,133,055.14x = 983,687,170,153,421 - Step 5: Solve for x
x = 983,687,170,153,421/34,133,055.14 - Step 6: Final answer
x = 28,819,194.94
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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.