Finding the Fourth Proportional to 12,785,253.28, 19,178,864.06 and 4,265,576.08
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Solution
The fourth proportional to 12,785,253.28, 19,178,864.06 and 4,265,576.08 is: 6,398,692.46
Step by Step Solution
- Step 1: Write the proportion equation
12,785,253.28 : 19,178,864.06 = 4,265,576.08 : x - Step 2: Convert to fraction form
12,785,253.28/19,178,864.06 = 4,265,576.08/x - Step 3: Cross multiply
12,785,253.28x = 19,178,864.06 × 4,265,576.08 - Step 4: Simplify right side
12,785,253.28x = 81,808,903,775,907.69 - Step 5: Solve for x
x = 81,808,903,775,907.69/12,785,253.28 - Step 6: Final answer
x = 6,398,692.46
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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.