Finding the Fourth Proportional to 9,134,228.60, 13,722,346.74 and 6,444,752.12
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Solution
The fourth proportional to 9,134,228.60, 13,722,346.74 and 6,444,752.12 is: 9,681,947.66
Step by Step Solution
- Step 1: Write the proportion equation
9,134,228.60 : 13,722,346.74 = 6,444,752.12 : x - Step 2: Convert to fraction form
9,134,228.60/13,722,346.74 = 6,444,752.12/x - Step 3: Cross multiply
9,134,228.60x = 13,722,346.74 × 6,444,752.12 - Step 4: Simplify right side
9,134,228.60x = 88,437,123,243,990.09 - Step 5: Solve for x
x = 88,437,123,243,990.09/9,134,228.60 - Step 6: Final answer
x = 9,681,947.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.