Finding the Fourth Proportional to 51,364,701.24, 70,883,270.28 and 28,159,330.38
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Solution
The fourth proportional to 51,364,701.24, 70,883,270.28 and 28,159,330.38 is: 38,859,866.37
Step by Step Solution
- Step 1: Write the proportion equation
51,364,701.24 : 70,883,270.28 = 28,159,330.38 : x - Step 2: Convert to fraction form
51,364,701.24/70,883,270.28 = 28,159,330.38/x - Step 3: Cross multiply
51,364,701.24x = 70,883,270.28 × 28,159,330.38 - Step 4: Simplify right side
51,364,701.24x = 1,996,025,426,229,355 - Step 5: Solve for x
x = 1,996,025,426,229,355/51,364,701.24 - Step 6: Final answer
x = 38,859,866.37
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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.