Finding the Fourth Proportional to 11,547,642.19, 15,933,971.02 and 6,651,908.05
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Solution
The fourth proportional to 11,547,642.19, 15,933,971.02 and 6,651,908.05 is: 9,178,610.52
Step by Step Solution
- Step 1: Write the proportion equation
11,547,642.19 : 15,933,971.02 = 6,651,908.05 : x - Step 2: Convert to fraction form
11,547,642.19/15,933,971.02 = 6,651,908.05/x - Step 3: Cross multiply
11,547,642.19x = 15,933,971.02 × 6,651,908.05 - Step 4: Simplify right side
11,547,642.19x = 105,991,309,983,475.31 - Step 5: Solve for x
x = 105,991,309,983,475.31/11,547,642.19 - Step 6: Final answer
x = 9,178,610.52
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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.