Finding the Fourth Proportional to 13,302,489.84, 19,953,776.64 and 3,717,805.20
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Solution
The fourth proportional to 13,302,489.84, 19,953,776.64 and 3,717,805.20 is: 5,576,719.50
Step by Step Solution
- Step 1: Write the proportion equation
13,302,489.84 : 19,953,776.64 = 3,717,805.20 : x - Step 2: Convert to fraction form
13,302,489.84/19,953,776.64 = 3,717,805.20/x - Step 3: Cross multiply
13,302,489.84x = 19,953,776.64 × 3,717,805.20 - Step 4: Simplify right side
13,302,489.84x = 74,184,254,551,830.53 - Step 5: Solve for x
x = 74,184,254,551,830.53/13,302,489.84 - Step 6: Final answer
x = 5,576,719.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.