Finding the Fourth Proportional to 57,553,330.62, 86,343,562.86 and 18,691,651.74
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Solution
The fourth proportional to 57,553,330.62, 86,343,562.86 and 18,691,651.74 is: 28,041,883.76
Step by Step Solution
- Step 1: Write the proportion equation
57,553,330.62 : 86,343,562.86 = 18,691,651.74 : x - Step 2: Convert to fraction form
57,553,330.62/86,343,562.86 = 18,691,651.74/x - Step 3: Cross multiply
57,553,330.62x = 86,343,562.86 × 18,691,651.74 - Step 4: Simplify right side
57,553,330.62x = 1,613,903,806,969,918.25 - Step 5: Solve for x
x = 1,613,903,806,969,918.25/57,553,330.62 - Step 6: Final answer
x = 28,041,883.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.