Finding the Fourth Proportional to 10,257,487.68, 14,154,451.20 and 5,672,667.84
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Solution
The fourth proportional to 10,257,487.68, 14,154,451.20 and 5,672,667.84 is: 7,827,793.96
Step by Step Solution
- Step 1: Write the proportion equation
10,257,487.68 : 14,154,451.20 = 5,672,667.84 : x - Step 2: Convert to fraction form
10,257,487.68/14,154,451.20 = 5,672,667.84/x - Step 3: Cross multiply
10,257,487.68x = 14,154,451.20 × 5,672,667.84 - Step 4: Simplify right side
10,257,487.68x = 80,293,500,115,089.41 - Step 5: Solve for x
x = 80,293,500,115,089.41/10,257,487.68 - Step 6: Final answer
x = 7,827,793.96
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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.