Finding the Fourth Proportional to 10,239,576.62, 14,130,345.93 and 5,655,799.58
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Solution
The fourth proportional to 10,239,576.62, 14,130,345.93 and 5,655,799.58 is: 7,804,854.39
Step by Step Solution
- Step 1: Write the proportion equation
10,239,576.62 : 14,130,345.93 = 5,655,799.58 : x - Step 2: Convert to fraction form
10,239,576.62/14,130,345.93 = 5,655,799.58/x - Step 3: Cross multiply
10,239,576.62x = 14,130,345.93 × 5,655,799.58 - Step 4: Simplify right side
10,239,576.62x = 79,918,404,576,148.70 - Step 5: Solve for x
x = 79,918,404,576,148.70/10,239,576.62 - Step 6: Final answer
x = 7,804,854.39
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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.