Finding the Fourth Proportional to 14,242,823.01, 19,655,115.30 and 7,716,452.81
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Solution
The fourth proportional to 14,242,823.01, 19,655,115.30 and 7,716,452.81 is: 10,648,715.46
Step by Step Solution
- Step 1: Write the proportion equation
14,242,823.01 : 19,655,115.30 = 7,716,452.81 : x - Step 2: Convert to fraction form
14,242,823.01/19,655,115.30 = 7,716,452.81/x - Step 3: Cross multiply
14,242,823.01x = 19,655,115.30 × 7,716,452.81 - Step 4: Simplify right side
14,242,823.01x = 151,667,769,589,283.41 - Step 5: Solve for x
x = 151,667,769,589,283.41/14,242,823.01 - Step 6: Final answer
x = 10,648,715.46
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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.