Finding the Fourth Proportional to 19,725,618.19, 27,216,836.58 and 11,776,613.52
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Solution
The fourth proportional to 19,725,618.19, 27,216,836.58 and 11,776,613.52 is: 16,249,030.20
Step by Step Solution
- Step 1: Write the proportion equation
19,725,618.19 : 27,216,836.58 = 11,776,613.52 : x - Step 2: Convert to fraction form
19,725,618.19/27,216,836.58 = 11,776,613.52/x - Step 3: Cross multiply
19,725,618.19x = 27,216,836.58 × 11,776,613.52 - Step 4: Simplify right side
19,725,618.19x = 320,522,165,661,739.69 - Step 5: Solve for x
x = 320,522,165,661,739.69/19,725,618.19 - Step 6: Final answer
x = 16,249,030.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.