Finding the Fourth Proportional to 21,101,461.98, 31,651,602.48 and 6,725,392.44
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Solution
The fourth proportional to 21,101,461.98, 31,651,602.48 and 6,725,392.44 is: 10,087,900.46
Step by Step Solution
- Step 1: Write the proportion equation
21,101,461.98 : 31,651,602.48 = 6,725,392.44 : x - Step 2: Convert to fraction form
21,101,461.98/31,651,602.48 = 6,725,392.44/x - Step 3: Cross multiply
21,101,461.98x = 31,651,602.48 × 6,725,392.44 - Step 4: Simplify right side
21,101,461.98x = 212,869,448,032,877.28 - Step 5: Solve for x
x = 212,869,448,032,877.28/21,101,461.98 - Step 6: Final answer
x = 10,087,900.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.