Finding the Fourth Proportional to 10,239,578.12, 14,130,348 and 5,655,801.08
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Solution
The fourth proportional to 10,239,578.12, 14,130,348 and 5,655,801.08 is: 7,804,856.46
Step by Step Solution
- Step 1: Write the proportion equation
10,239,578.12 : 14,130,348 = 5,655,801.08 : x - Step 2: Convert to fraction form
10,239,578.12/14,130,348 = 5,655,801.08/x - Step 3: Cross multiply
10,239,578.12x = 14,130,348 × 5,655,801.08 - Step 4: Simplify right side
10,239,578.12x = 79,918,437,479,175.84 - Step 5: Solve for x
x = 79,918,437,479,175.84/10,239,578.12 - Step 6: Final answer
x = 7,804,856.46
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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.