Finding the Fourth Proportional to 20,048,677.84, 27,667,440.84 and 10,881,430.48
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Solution
The fourth proportional to 20,048,677.84, 27,667,440.84 and 10,881,430.48 is: 15,016,518.12
Step by Step Solution
- Step 1: Write the proportion equation
20,048,677.84 : 27,667,440.84 = 10,881,430.48 : x - Step 2: Convert to fraction form
20,048,677.84/27,667,440.84 = 10,881,430.48/x - Step 3: Cross multiply
20,048,677.84x = 27,667,440.84 × 10,881,430.48 - Step 4: Simplify right side
20,048,677.84x = 301,061,334,059,972.81 - Step 5: Solve for x
x = 301,061,334,059,972.81/20,048,677.84 - Step 6: Final answer
x = 15,016,518.12
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1.5x scale
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.