Finding the Fourth Proportional to 34,360,937.06, 47,417,582.50 and 18,679,440.74
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Solution
The fourth proportional to 34,360,937.06, 47,417,582.50 and 18,679,440.74 is: 25,777,350.62
Step by Step Solution
- Step 1: Write the proportion equation
34,360,937.06 : 47,417,582.50 = 18,679,440.74 : x - Step 2: Convert to fraction form
34,360,937.06/47,417,582.50 = 18,679,440.74/x - Step 3: Cross multiply
34,360,937.06x = 47,417,582.50 × 18,679,440.74 - Step 4: Simplify right side
34,360,937.06x = 885,733,922,342,811 - Step 5: Solve for x
x = 885,733,922,342,811/34,360,937.06 - Step 6: Final answer
x = 25,777,350.62
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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.