Finding the Fourth Proportional to 42,877,798.70, 64,302,876.21 and 14,117,086.58
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Solution
The fourth proportional to 42,877,798.70, 64,302,876.21 and 14,117,086.58 is: 21,171,079.17
Step by Step Solution
- Step 1: Write the proportion equation
42,877,798.70 : 64,302,876.21 = 14,117,086.58 : x - Step 2: Convert to fraction form
42,877,798.70/64,302,876.21 = 14,117,086.58/x - Step 3: Cross multiply
42,877,798.70x = 64,302,876.21 × 14,117,086.58 - Step 4: Simplify right side
42,877,798.70x = 907,769,270,799,592.25 - Step 5: Solve for x
x = 907,769,270,799,592.25/42,877,798.70 - Step 6: Final answer
x = 21,171,079.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.