Finding the Fourth Proportional to 11,553,225.68, 15,943,619.40 and 6,655,745.36
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Solution
The fourth proportional to 11,553,225.68, 15,943,619.40 and 6,655,745.36 is: 9,185,025.36
Step by Step Solution
- Step 1: Write the proportion equation
11,553,225.68 : 15,943,619.40 = 6,655,745.36 : x - Step 2: Convert to fraction form
11,553,225.68/15,943,619.40 = 6,655,745.36/x - Step 3: Cross multiply
11,553,225.68x = 15,943,619.40 × 6,655,745.36 - Step 4: Simplify right side
11,553,225.68x = 106,116,670,843,155.98 - Step 5: Solve for x
x = 106,116,670,843,155.98/11,553,225.68 - Step 6: Final answer
x = 9,185,025.36
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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.