Finding the Fourth Proportional to 24,824,203.57, 34,243,135.65 and 15,515,618.74
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Solution
The fourth proportional to 24,824,203.57, 34,243,135.65 and 15,515,618.74 is: 21,402,637.78
Step by Step Solution
- Step 1: Write the proportion equation
24,824,203.57 : 34,243,135.65 = 15,515,618.74 : x - Step 2: Convert to fraction form
24,824,203.57/34,243,135.65 = 15,515,618.74/x - Step 3: Cross multiply
24,824,203.57x = 34,243,135.65 × 15,515,618.74 - Step 4: Simplify right side
24,824,203.57x = 531,303,437,207,502.06 - Step 5: Solve for x
x = 531,303,437,207,502.06/24,824,203.57 - Step 6: Final answer
x = 21,402,637.78
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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.