Finding the Fourth Proportional to 9,029,901.44, 12,460,983.36 and 4,955,415.68
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Solution
The fourth proportional to 9,029,901.44, 12,460,983.36 and 4,955,415.68 is: 6,838,319.64
Step by Step Solution
- Step 1: Write the proportion equation
9,029,901.44 : 12,460,983.36 = 4,955,415.68 : x - Step 2: Convert to fraction form
9,029,901.44/12,460,983.36 = 4,955,415.68/x - Step 3: Cross multiply
9,029,901.44x = 12,460,983.36 × 4,955,415.68 - Step 4: Simplify right side
9,029,901.44x = 61,749,352,330,363.08 - Step 5: Solve for x
x = 61,749,352,330,363.08/9,029,901.44 - Step 6: Final answer
x = 6,838,319.64
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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.