Finding the Fourth Proportional to 7,775,212.14, 11,664,635.76 and 2,657,681.34
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Solution
The fourth proportional to 7,775,212.14, 11,664,635.76 and 2,657,681.34 is: 3,987,143.28
Step by Step Solution
- Step 1: Write the proportion equation
7,775,212.14 : 11,664,635.76 = 2,657,681.34 : x - Step 2: Convert to fraction form
7,775,212.14/11,664,635.76 = 2,657,681.34/x - Step 3: Cross multiply
7,775,212.14x = 11,664,635.76 × 2,657,681.34 - Step 4: Simplify right side
7,775,212.14x = 31,000,884,797,248.71 - Step 5: Solve for x
x = 31,000,884,797,248.71/7,775,212.14 - Step 6: Final answer
x = 3,987,143.28
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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.