Finding the Fourth Proportional to 7,772,988.52, 11,660,977.23 and 2,980,304.00
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Solution
The fourth proportional to 7,772,988.52, 11,660,977.23 and 2,980,304.00 is: 4,471,028.99
Step by Step Solution
- Step 1: Write the proportion equation
7,772,988.52 : 11,660,977.23 = 2,980,304.00 : x - Step 2: Convert to fraction form
7,772,988.52/11,660,977.23 = 2,980,304.00/x - Step 3: Cross multiply
7,772,988.52x = 11,660,977.23 × 2,980,304.00 - Step 4: Simplify right side
7,772,988.52x = 34,753,257,009,271.52 - Step 5: Solve for x
x = 34,753,257,009,271.52/7,772,988.52 - Step 6: Final answer
x = 4,471,028.99
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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.