Finding the Fourth Proportional to 12,085,347.52, 18,127,940.64 and 4,896,775.36
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Solution
The fourth proportional to 12,085,347.52, 18,127,940.64 and 4,896,775.36 is: 7,345,130.37
Step by Step Solution
- Step 1: Write the proportion equation
12,085,347.52 : 18,127,940.64 = 4,896,775.36 : x - Step 2: Convert to fraction form
12,085,347.52/18,127,940.64 = 4,896,775.36/x - Step 3: Cross multiply
12,085,347.52x = 18,127,940.64 × 4,896,775.36 - Step 4: Simplify right side
12,085,347.52x = 88,768,453,053,494.64 - Step 5: Solve for x
x = 88,768,453,053,494.64/12,085,347.52 - Step 6: Final answer
x = 7,345,130.37
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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.