Finding the Fourth Proportional to 42,279,804.56, 58,345,137.95 and 24,877,276.94
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Solution
The fourth proportional to 42,279,804.56, 58,345,137.95 and 24,877,276.94 is: 34,330,058.28
Step by Step Solution
- Step 1: Write the proportion equation
42,279,804.56 : 58,345,137.95 = 24,877,276.94 : x - Step 2: Convert to fraction form
42,279,804.56/58,345,137.95 = 24,877,276.94/x - Step 3: Cross multiply
42,279,804.56x = 58,345,137.95 × 24,877,276.94 - Step 4: Simplify right side
42,279,804.56x = 1,451,468,154,906,130.25 - Step 5: Solve for x
x = 1,451,468,154,906,130.25/42,279,804.56 - Step 6: Final answer
x = 34,330,058.28
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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.