Finding the Fourth Proportional to 7,152,237.08, 9,869,947.44 and 3,889,023.32
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Solution
The fourth proportional to 7,152,237.08, 9,869,947.44 and 3,889,023.32 is: 5,366,776.20
Step by Step Solution
- Step 1: Write the proportion equation
7,152,237.08 : 9,869,947.44 = 3,889,023.32 : x - Step 2: Convert to fraction form
7,152,237.08/9,869,947.44 = 3,889,023.32/x - Step 3: Cross multiply
7,152,237.08x = 9,869,947.44 × 3,889,023.32 - Step 4: Simplify right side
7,152,237.08x = 38,384,455,761,334.30 - Step 5: Solve for x
x = 38,384,455,761,334.30/7,152,237.08 - Step 6: Final answer
x = 5,366,776.20
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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.