Finding the Fourth Proportional to 19,571,585.34, 27,007,207.47 and 11,312,182.66
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Solution
The fourth proportional to 19,571,585.34, 27,007,207.47 and 11,312,182.66 is: 15,609,898.68
Step by Step Solution
- Step 1: Write the proportion equation
19,571,585.34 : 27,007,207.47 = 11,312,182.66 : x - Step 2: Convert to fraction form
19,571,585.34/27,007,207.47 = 11,312,182.66/x - Step 3: Cross multiply
19,571,585.34x = 27,007,207.47 × 11,312,182.66 - Step 4: Simplify right side
19,571,585.34x = 305,510,464,142,172.81 - Step 5: Solve for x
x = 305,510,464,142,172.81/19,571,585.34 - Step 6: Final answer
x = 15,609,898.68
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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.