Finding the Fourth Proportional to 13,214,107.55, 19,818,799.07 and 8,407,518.95
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Solution
The fourth proportional to 13,214,107.55, 19,818,799.07 and 8,407,518.95 is: 12,609,775.43
Step by Step Solution
- Step 1: Write the proportion equation
13,214,107.55 : 19,818,799.07 = 8,407,518.95 : x - Step 2: Convert to fraction form
13,214,107.55/19,818,799.07 = 8,407,518.95/x - Step 3: Cross multiply
13,214,107.55x = 19,818,799.07 × 8,407,518.95 - Step 4: Simplify right side
13,214,107.55x = 166,626,928,754,776.81 - Step 5: Solve for x
x = 166,626,928,754,776.81/13,214,107.55 - Step 6: Final answer
x = 12,609,775.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.