Finding the Fourth Proportional to 51,571,587.84, 71,167,306.56 and 28,366,713.60
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Solution
The fourth proportional to 51,571,587.84, 71,167,306.56 and 28,366,713.60 is: 39,145,248.14
Step by Step Solution
- Step 1: Write the proportion equation
51,571,587.84 : 71,167,306.56 = 28,366,713.60 : x - Step 2: Convert to fraction form
51,571,587.84/71,167,306.56 = 28,366,713.60/x - Step 3: Cross multiply
51,571,587.84x = 71,167,306.56 × 28,366,713.60 - Step 4: Simplify right side
51,571,587.84x = 2,018,782,602,870,921.50 - Step 5: Solve for x
x = 2,018,782,602,870,921.50/51,571,587.84 - Step 6: Final answer
x = 39,145,248.14
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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.