Finding the Fourth Proportional to 9,908,347.36, 13,672,426.08 and 5,556,538.12
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Solution
The fourth proportional to 9,908,347.36, 13,672,426.08 and 5,556,538.12 is: 7,667,409.50
Step by Step Solution
- Step 1: Write the proportion equation
9,908,347.36 : 13,672,426.08 = 5,556,538.12 : x - Step 2: Convert to fraction form
9,908,347.36/13,672,426.08 = 5,556,538.12/x - Step 3: Cross multiply
9,908,347.36x = 13,672,426.08 × 5,556,538.12 - Step 4: Simplify right side
9,908,347.36x = 75,971,356,706,402.17 - Step 5: Solve for x
x = 75,971,356,706,402.17/9,908,347.36 - Step 6: Final answer
x = 7,667,409.50
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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.