Finding the Fourth Proportional to 19,440,576.09, 26,828,809.52 and 11,180,643.98
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Solution
The fourth proportional to 19,440,576.09, 26,828,809.52 and 11,180,643.98 is: 15,429,757.13
Step by Step Solution
- Step 1: Write the proportion equation
19,440,576.09 : 26,828,809.52 = 11,180,643.98 : x - Step 2: Convert to fraction form
19,440,576.09/26,828,809.52 = 11,180,643.98/x - Step 3: Cross multiply
19,440,576.09x = 26,828,809.52 × 11,180,643.98 - Step 4: Simplify right side
19,440,576.09x = 299,963,367,460,307.44 - Step 5: Solve for x
x = 299,963,367,460,307.44/19,440,576.09 - Step 6: Final answer
x = 15,429,757.13
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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.