Finding the Fourth Proportional to 13,434,677.92, 18,539,856.06 and 7,323,106.36
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Solution
The fourth proportional to 13,434,677.92, 18,539,856.06 and 7,323,106.36 is: 10,105,887.07
Step by Step Solution
- Step 1: Write the proportion equation
13,434,677.92 : 18,539,856.06 = 7,323,106.36 : x - Step 2: Convert to fraction form
13,434,677.92/18,539,856.06 = 7,323,106.36/x - Step 3: Cross multiply
13,434,677.92x = 18,539,856.06 × 7,323,106.36 - Step 4: Simplify right side
13,434,677.92x = 135,769,337,826,470.53 - Step 5: Solve for x
x = 135,769,337,826,470.53/13,434,677.92 - Step 6: Final answer
x = 10,105,887.07
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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.